Home / 42,134.60-63,211.03-12,554.82

Finding the Fourth Proportional to 42,134.60, 63,211.03 and 12,554.82

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Solution

The fourth proportional to 42,134.60, 63,211.03 and 12,554.82 is: 18,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,134.60 : 63,211.03 = 12,554.82 : x
  2. Step 2: Convert to fraction form
    42,134.60/63,211.03 = 12,554.82/x
  3. Step 3: Cross multiply
    42,134.60x = 63,211.03 × 12,554.82
  4. Step 4: Simplify right side
    42,134.60x = 793,603,072.28
  5. Step 5: Solve for x
    x = 793,603,072.28/42,134.60
  6. Step 6: Final answer
    x = 18,834.95

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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.