Home / 47,438.78-71,010.54-29,871.70

Finding the Fourth Proportional to 47,438.78, 71,010.54 and 29,871.70

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Solution

The fourth proportional to 47,438.78, 71,010.54 and 29,871.70 is: 44,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.78 : 71,010.54 = 29,871.70 : x
  2. Step 2: Convert to fraction form
    47,438.78/71,010.54 = 29,871.70/x
  3. Step 3: Cross multiply
    47,438.78x = 71,010.54 × 29,871.70
  4. Step 4: Simplify right side
    47,438.78x = 2,121,205,547.72
  5. Step 5: Solve for x
    x = 2,121,205,547.72/47,438.78
  6. Step 6: Final answer
    x = 44,714.59

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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.