Home / 42,063.05-63,084.84-12,473.75

Finding the Fourth Proportional to 42,063.05, 63,084.84 and 12,473.75

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Solution

The fourth proportional to 42,063.05, 63,084.84 and 12,473.75 is: 18,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,063.05 : 63,084.84 = 12,473.75 : x
  2. Step 2: Convert to fraction form
    42,063.05/63,084.84 = 12,473.75/x
  3. Step 3: Cross multiply
    42,063.05x = 63,084.84 × 12,473.75
  4. Step 4: Simplify right side
    42,063.05x = 786,904,522.95
  5. Step 5: Solve for x
    x = 786,904,522.95/42,063.05
  6. Step 6: Final answer
    x = 18,707.74

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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.