Home / 42,306.06-63,450.18-12,715.14

Finding the Fourth Proportional to 42,306.06, 63,450.18 and 12,715.14

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Solution

The fourth proportional to 42,306.06, 63,450.18 and 12,715.14 is: 19,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,306.06 : 63,450.18 = 12,715.14 : x
  2. Step 2: Convert to fraction form
    42,306.06/63,450.18 = 12,715.14/x
  3. Step 3: Cross multiply
    42,306.06x = 63,450.18 × 12,715.14
  4. Step 4: Simplify right side
    42,306.06x = 806,777,921.73
  5. Step 5: Solve for x
    x = 806,777,921.73/42,306.06
  6. Step 6: Final answer
    x = 19,070.03

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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.