Home / 77,087.40-115,631.10-24,502.20

Finding the Fourth Proportional to 77,087.40, 115,631.10 and 24,502.20

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Solution

The fourth proportional to 77,087.40, 115,631.10 and 24,502.20 is: 36,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.40 : 115,631.10 = 24,502.20 : x
  2. Step 2: Convert to fraction form
    77,087.40/115,631.10 = 24,502.20/x
  3. Step 3: Cross multiply
    77,087.40x = 115,631.10 × 24,502.20
  4. Step 4: Simplify right side
    77,087.40x = 2,833,216,338.42
  5. Step 5: Solve for x
    x = 2,833,216,338.42/77,087.40
  6. Step 6: Final answer
    x = 36,753.30

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1.5x scale

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.