Home / 42,857.46-64,246.82-14,770.85

Finding the Fourth Proportional to 42,857.46, 64,246.82 and 14,770.85

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Solution

The fourth proportional to 42,857.46, 64,246.82 and 14,770.85 is: 22,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,857.46 : 64,246.82 = 14,770.85 : x
  2. Step 2: Convert to fraction form
    42,857.46/64,246.82 = 14,770.85/x
  3. Step 3: Cross multiply
    42,857.46x = 64,246.82 × 14,770.85
  4. Step 4: Simplify right side
    42,857.46x = 948,979,746.11
  5. Step 5: Solve for x
    x = 948,979,746.11/42,857.46
  6. Step 6: Final answer
    x = 22,142.70

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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.