Home / 39,556.90-54,587.44-22,560.76

Finding the Fourth Proportional to 39,556.90, 54,587.44 and 22,560.76

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Solution

The fourth proportional to 39,556.90, 54,587.44 and 22,560.76 is: 31,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.90 : 54,587.44 = 22,560.76 : x
  2. Step 2: Convert to fraction form
    39,556.90/54,587.44 = 22,560.76/x
  3. Step 3: Cross multiply
    39,556.90x = 54,587.44 × 22,560.76
  4. Step 4: Simplify right side
    39,556.90x = 1,231,533,939.98
  5. Step 5: Solve for x
    x = 1,231,533,939.98/39,556.90
  6. Step 6: Final answer
    x = 31,133.23

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Half scale
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Double scale
Find fourth proportional to 39,557.90, 54,588.82 and 22,561.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.