Home / 39,502.83-54,517.59-21,600.45

Finding the Fourth Proportional to 39,502.83, 54,517.59 and 21,600.45

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Solution

The fourth proportional to 39,502.83, 54,517.59 and 21,600.45 is: 29,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,502.83 : 54,517.59 = 21,600.45 : x
  2. Step 2: Convert to fraction form
    39,502.83/54,517.59 = 21,600.45/x
  3. Step 3: Cross multiply
    39,502.83x = 54,517.59 × 21,600.45
  4. Step 4: Simplify right side
    39,502.83x = 1,177,604,476.92
  5. Step 5: Solve for x
    x = 1,177,604,476.92/39,502.83
  6. Step 6: Final answer
    x = 29,810.64

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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.