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Finding the Fourth Proportional to 77,015.80, 115,527.30 and 24,429.40

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Solution

The fourth proportional to 77,015.80, 115,527.30 and 24,429.40 is: 36,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.80 : 115,527.30 = 24,429.40 : x
  2. Step 2: Convert to fraction form
    77,015.80/115,527.30 = 24,429.40/x
  3. Step 3: Cross multiply
    77,015.80x = 115,527.30 × 24,429.40
  4. Step 4: Simplify right side
    77,015.80x = 2,822,262,622.62
  5. Step 5: Solve for x
    x = 2,822,262,622.62/77,015.80
  6. Step 6: Final answer
    x = 36,645.24

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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.