Home / 39,657.38-54,727.18-22,890.38

Finding the Fourth Proportional to 39,657.38, 54,727.18 and 22,890.38

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Solution

The fourth proportional to 39,657.38, 54,727.18 and 22,890.38 is: 31,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.38 : 54,727.18 = 22,890.38 : x
  2. Step 2: Convert to fraction form
    39,657.38/54,727.18 = 22,890.38/x
  3. Step 3: Cross multiply
    39,657.38x = 54,727.18 × 22,890.38
  4. Step 4: Simplify right side
    39,657.38x = 1,252,725,615.67
  5. Step 5: Solve for x
    x = 1,252,725,615.67/39,657.38
  6. Step 6: Final answer
    x = 31,588.72

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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.