Home / 42,755.27-64,134.18-14,674.91

Finding the Fourth Proportional to 42,755.27, 64,134.18 and 14,674.91

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Solution

The fourth proportional to 42,755.27, 64,134.18 and 14,674.91 is: 22,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755.27 : 64,134.18 = 14,674.91 : x
  2. Step 2: Convert to fraction form
    42,755.27/64,134.18 = 14,674.91/x
  3. Step 3: Cross multiply
    42,755.27x = 64,134.18 × 14,674.91
  4. Step 4: Simplify right side
    42,755.27x = 941,162,998.75
  5. Step 5: Solve for x
    x = 941,162,998.75/42,755.27
  6. Step 6: Final answer
    x = 22,012.80

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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.