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Finding the Fourth Proportional to 77,007.40, 115,500.30 and 24,422.20

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Solution

The fourth proportional to 77,007.40, 115,500.30 and 24,422.20 is: 36,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.40 : 115,500.30 = 24,422.20 : x
  2. Step 2: Convert to fraction form
    77,007.40/115,500.30 = 24,422.20/x
  3. Step 3: Cross multiply
    77,007.40x = 115,500.30 × 24,422.20
  4. Step 4: Simplify right side
    77,007.40x = 2,820,771,426.66
  5. Step 5: Solve for x
    x = 2,820,771,426.66/77,007.40
  6. Step 6: Final answer
    x = 36,629.87

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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.