Home / 39,565.76-54,600.48-21,661.07

Finding the Fourth Proportional to 39,565.76, 54,600.48 and 21,661.07

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Solution

The fourth proportional to 39,565.76, 54,600.48 and 21,661.07 is: 29,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.76 : 54,600.48 = 21,661.07 : x
  2. Step 2: Convert to fraction form
    39,565.76/54,600.48 = 21,661.07/x
  3. Step 3: Cross multiply
    39,565.76x = 54,600.48 × 21,661.07
  4. Step 4: Simplify right side
    39,565.76x = 1,182,704,627.54
  5. Step 5: Solve for x
    x = 1,182,704,627.54/39,565.76
  6. Step 6: Final answer
    x = 29,892.13

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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.