Home / 47,712.90-71,569.35-42,956.18

Finding the Fourth Proportional to 47,712.90, 71,569.35 and 42,956.18

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Solution

The fourth proportional to 47,712.90, 71,569.35 and 42,956.18 is: 64,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.90 : 71,569.35 = 42,956.18 : x
  2. Step 2: Convert to fraction form
    47,712.90/71,569.35 = 42,956.18/x
  3. Step 3: Cross multiply
    47,712.90x = 71,569.35 × 42,956.18
  4. Step 4: Simplify right side
    47,712.90x = 3,074,345,523.24
  5. Step 5: Solve for x
    x = 3,074,345,523.24/47,712.90
  6. Step 6: Final answer
    x = 64,434.26

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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.