Home / 39,555.27-59,347.50-20,834.55

Finding the Fourth Proportional to 39,555.27, 59,347.50 and 20,834.55

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Solution

The fourth proportional to 39,555.27, 59,347.50 and 20,834.55 is: 31,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.27 : 59,347.50 = 20,834.55 : x
  2. Step 2: Convert to fraction form
    39,555.27/59,347.50 = 20,834.55/x
  3. Step 3: Cross multiply
    39,555.27x = 59,347.50 × 20,834.55
  4. Step 4: Simplify right side
    39,555.27x = 1,236,478,456.13
  5. Step 5: Solve for x
    x = 1,236,478,456.13/39,555.27
  6. Step 6: Final answer
    x = 31,259.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.