Home / 39,537.10-54,561.18-21,632.23

Finding the Fourth Proportional to 39,537.10, 54,561.18 and 21,632.23

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Solution

The fourth proportional to 39,537.10, 54,561.18 and 21,632.23 is: 29,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.10 : 54,561.18 = 21,632.23 : x
  2. Step 2: Convert to fraction form
    39,537.10/54,561.18 = 21,632.23/x
  3. Step 3: Cross multiply
    39,537.10x = 54,561.18 × 21,632.23
  4. Step 4: Simplify right side
    39,537.10x = 1,180,279,994.83
  5. Step 5: Solve for x
    x = 1,180,279,994.83/39,537.10
  6. Step 6: Final answer
    x = 29,852.47

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Double scale
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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.