Home / 76,935.40-115,412.10-24,350.20

Finding the Fourth Proportional to 76,935.40, 115,412.10 and 24,350.20

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Solution

The fourth proportional to 76,935.40, 115,412.10 and 24,350.20 is: 36,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.40 : 115,412.10 = 24,350.20 : x
  2. Step 2: Convert to fraction form
    76,935.40/115,412.10 = 24,350.20/x
  3. Step 3: Cross multiply
    76,935.40x = 115,412.10 × 24,350.20
  4. Step 4: Simplify right side
    76,935.40x = 2,810,307,717.42
  5. Step 5: Solve for x
    x = 2,810,307,717.42/76,935.40
  6. Step 6: Final answer
    x = 36,528.15

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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.