Home / 51,513.60-77,270.40-14,577.92

Finding the Fourth Proportional to 51,513.60, 77,270.40 and 14,577.92

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Solution

The fourth proportional to 51,513.60, 77,270.40 and 14,577.92 is: 21,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,513.60 : 77,270.40 = 14,577.92 : x
  2. Step 2: Convert to fraction form
    51,513.60/77,270.40 = 14,577.92/x
  3. Step 3: Cross multiply
    51,513.60x = 77,270.40 × 14,577.92
  4. Step 4: Simplify right side
    51,513.60x = 1,126,441,709.57
  5. Step 5: Solve for x
    x = 1,126,441,709.57/51,513.60
  6. Step 6: Final answer
    x = 21,866.88

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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.