Home / 39,501.59-54,512.36-21,596.59

Finding the Fourth Proportional to 39,501.59, 54,512.36 and 21,596.59

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Solution

The fourth proportional to 39,501.59, 54,512.36 and 21,596.59 is: 29,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,501.59 : 54,512.36 = 21,596.59 : x
  2. Step 2: Convert to fraction form
    39,501.59/54,512.36 = 21,596.59/x
  3. Step 3: Cross multiply
    39,501.59x = 54,512.36 × 21,596.59
  4. Step 4: Simplify right side
    39,501.59x = 1,177,281,006.56
  5. Step 5: Solve for x
    x = 1,177,281,006.56/39,501.59
  6. Step 6: Final answer
    x = 29,803.38

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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.