Home / 77,012.70-115,539.30-24,422.10

Finding the Fourth Proportional to 77,012.70, 115,539.30 and 24,422.10

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Solution

The fourth proportional to 77,012.70, 115,539.30 and 24,422.10 is: 36,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,012.70 : 115,539.30 = 24,422.10 : x
  2. Step 2: Convert to fraction form
    77,012.70/115,539.30 = 24,422.10/x
  3. Step 3: Cross multiply
    77,012.70x = 115,539.30 × 24,422.10
  4. Step 4: Simplify right side
    77,012.70x = 2,821,712,338.53
  5. Step 5: Solve for x
    x = 2,821,712,338.53/77,012.70
  6. Step 6: Final answer
    x = 36,639.57

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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.