Home / 77,028.82-115,542.92-24,442.40

Finding the Fourth Proportional to 77,028.82, 115,542.92 and 24,442.40

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Solution

The fourth proportional to 77,028.82, 115,542.92 and 24,442.40 is: 36,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,028.82 : 115,542.92 = 24,442.40 : x
  2. Step 2: Convert to fraction form
    77,028.82/115,542.92 = 24,442.40/x
  3. Step 3: Cross multiply
    77,028.82x = 115,542.92 × 24,442.40
  4. Step 4: Simplify right side
    77,028.82x = 2,824,146,617.77
  5. Step 5: Solve for x
    x = 2,824,146,617.77/77,028.82
  6. Step 6: Final answer
    x = 36,663.51

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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.