Home / 42,307.14-63,461.87-12,320.18

Finding the Fourth Proportional to 42,307.14, 63,461.87 and 12,320.18

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Solution

The fourth proportional to 42,307.14, 63,461.87 and 12,320.18 is: 18,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,307.14 : 63,461.87 = 12,320.18 : x
  2. Step 2: Convert to fraction form
    42,307.14/63,461.87 = 12,320.18/x
  3. Step 3: Cross multiply
    42,307.14x = 63,461.87 × 12,320.18
  4. Step 4: Simplify right side
    42,307.14x = 781,861,958.43
  5. Step 5: Solve for x
    x = 781,861,958.43/42,307.14
  6. Step 6: Final answer
    x = 18,480.61

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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.