Home / 42,294.42-63,428.67-11,125.62

Finding the Fourth Proportional to 42,294.42, 63,428.67 and 11,125.62

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Solution

The fourth proportional to 42,294.42, 63,428.67 and 11,125.62 is: 16,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,294.42 : 63,428.67 = 11,125.62 : x
  2. Step 2: Convert to fraction form
    42,294.42/63,428.67 = 11,125.62/x
  3. Step 3: Cross multiply
    42,294.42x = 63,428.67 × 11,125.62
  4. Step 4: Simplify right side
    42,294.42x = 705,683,279.53
  5. Step 5: Solve for x
    x = 705,683,279.53/42,294.42
  6. Step 6: Final answer
    x = 16,685.02

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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.