Home / 42,761.20-64,125.42-16,451.68

Finding the Fourth Proportional to 42,761.20, 64,125.42 and 16,451.68

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Solution

The fourth proportional to 42,761.20, 64,125.42 and 16,451.68 is: 24,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,761.20 : 64,125.42 = 16,451.68 : x
  2. Step 2: Convert to fraction form
    42,761.20/64,125.42 = 16,451.68/x
  3. Step 3: Cross multiply
    42,761.20x = 64,125.42 × 16,451.68
  4. Step 4: Simplify right side
    42,761.20x = 1,054,970,889.71
  5. Step 5: Solve for x
    x = 1,054,970,889.71/42,761.20
  6. Step 6: Final answer
    x = 24,671.22

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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.