Home / 52,685.32-72,732.18-40,721.62

Finding the Fourth Proportional to 52,685.32, 72,732.18 and 40,721.62

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Solution

The fourth proportional to 52,685.32, 72,732.18 and 40,721.62 is: 56,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,685.32 : 72,732.18 = 40,721.62 : x
  2. Step 2: Convert to fraction form
    52,685.32/72,732.18 = 40,721.62/x
  3. Step 3: Cross multiply
    52,685.32x = 72,732.18 × 40,721.62
  4. Step 4: Simplify right side
    52,685.32x = 2,961,772,195.73
  5. Step 5: Solve for x
    x = 2,961,772,195.73/52,685.32
  6. Step 6: Final answer
    x = 56,216.27

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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.