Home / 39,893.28-55,039.27-24,780.57

Finding the Fourth Proportional to 39,893.28, 55,039.27 and 24,780.57

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Solution

The fourth proportional to 39,893.28, 55,039.27 and 24,780.57 is: 34,188.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.28 : 55,039.27 = 24,780.57 : x
  2. Step 2: Convert to fraction form
    39,893.28/55,039.27 = 24,780.57/x
  3. Step 3: Cross multiply
    39,893.28x = 55,039.27 × 24,780.57
  4. Step 4: Simplify right side
    39,893.28x = 1,363,904,482.98
  5. Step 5: Solve for x
    x = 1,363,904,482.98/39,893.28
  6. Step 6: Final answer
    x = 34,188.83

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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.