Home / 42,780.47-64,125.45-16,114.92

Finding the Fourth Proportional to 42,780.47, 64,125.45 and 16,114.92

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Solution

The fourth proportional to 42,780.47, 64,125.45 and 16,114.92 is: 24,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,780.47 : 64,125.45 = 16,114.92 : x
  2. Step 2: Convert to fraction form
    42,780.47/64,125.45 = 16,114.92/x
  3. Step 3: Cross multiply
    42,780.47x = 64,125.45 × 16,114.92
  4. Step 4: Simplify right side
    42,780.47x = 1,033,376,496.71
  5. Step 5: Solve for x
    x = 1,033,376,496.71/42,780.47
  6. Step 6: Final answer
    x = 24,155.33

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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.