Home / 77,261.10-115,891.65-24,672.30

Finding the Fourth Proportional to 77,261.10, 115,891.65 and 24,672.30

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Solution

The fourth proportional to 77,261.10, 115,891.65 and 24,672.30 is: 37,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,261.10 : 115,891.65 = 24,672.30 : x
  2. Step 2: Convert to fraction form
    77,261.10/115,891.65 = 24,672.30/x
  3. Step 3: Cross multiply
    77,261.10x = 115,891.65 × 24,672.30
  4. Step 4: Simplify right side
    77,261.10x = 2,859,313,556.30
  5. Step 5: Solve for x
    x = 2,859,313,556.30/77,261.10
  6. Step 6: Final answer
    x = 37,008.45

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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.