Home / 47,966.18-66,134.48-39,438.50

Finding the Fourth Proportional to 47,966.18, 66,134.48 and 39,438.50

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Solution

The fourth proportional to 47,966.18, 66,134.48 and 39,438.50 is: 54,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,966.18 : 66,134.48 = 39,438.50 : x
  2. Step 2: Convert to fraction form
    47,966.18/66,134.48 = 39,438.50/x
  3. Step 3: Cross multiply
    47,966.18x = 66,134.48 × 39,438.50
  4. Step 4: Simplify right side
    47,966.18x = 2,608,244,689.48
  5. Step 5: Solve for x
    x = 2,608,244,689.48/47,966.18
  6. Step 6: Final answer
    x = 54,376.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.