Home / 51,732.48-71,390.40-29,376

Finding the Fourth Proportional to 51,732.48, 71,390.40 and 29,376

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Solution

The fourth proportional to 51,732.48, 71,390.40 and 29,376 is: 40,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,732.48 : 71,390.40 = 29,376 : x
  2. Step 2: Convert to fraction form
    51,732.48/71,390.40 = 29,376/x
  3. Step 3: Cross multiply
    51,732.48x = 71,390.40 × 29,376
  4. Step 4: Simplify right side
    51,732.48x = 2,097,164,390.40
  5. Step 5: Solve for x
    x = 2,097,164,390.40/51,732.48
  6. Step 6: Final answer
    x = 40,538.64

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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.