Home / 47,138.78-64,987.85-32,005.17

Finding the Fourth Proportional to 47,138.78, 64,987.85 and 32,005.17

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Solution

The fourth proportional to 47,138.78, 64,987.85 and 32,005.17 is: 44,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.78 : 64,987.85 = 32,005.17 : x
  2. Step 2: Convert to fraction form
    47,138.78/64,987.85 = 32,005.17/x
  3. Step 3: Cross multiply
    47,138.78x = 64,987.85 × 32,005.17
  4. Step 4: Simplify right side
    47,138.78x = 2,079,947,267.20
  5. Step 5: Solve for x
    x = 2,079,947,267.20/47,138.78
  6. Step 6: Final answer
    x = 44,123.91

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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.