Home / 52,730.68-72,766.16-31,521.64

Finding the Fourth Proportional to 52,730.68, 72,766.16 and 31,521.64

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Solution

The fourth proportional to 52,730.68, 72,766.16 and 31,521.64 is: 43,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,730.68 : 72,766.16 = 31,521.64 : x
  2. Step 2: Convert to fraction form
    52,730.68/72,766.16 = 31,521.64/x
  3. Step 3: Cross multiply
    52,730.68x = 72,766.16 × 31,521.64
  4. Step 4: Simplify right side
    52,730.68x = 2,293,708,699.70
  5. Step 5: Solve for x
    x = 2,293,708,699.70/52,730.68
  6. Step 6: Final answer
    x = 43,498.56

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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.