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Finding the Fourth Proportional to 61,463.32, 84,819.54 and 34,606.24

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Solution

The fourth proportional to 61,463.32, 84,819.54 and 34,606.24 is: 47,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,463.32 : 84,819.54 = 34,606.24 : x
  2. Step 2: Convert to fraction form
    61,463.32/84,819.54 = 34,606.24/x
  3. Step 3: Cross multiply
    61,463.32x = 84,819.54 × 34,606.24
  4. Step 4: Simplify right side
    61,463.32x = 2,935,285,357.93
  5. Step 5: Solve for x
    x = 2,935,285,357.93/61,463.32
  6. Step 6: Final answer
    x = 47,756.70

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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.