Home / 51,445.45-77,179.11-15,909.13

Finding the Fourth Proportional to 51,445.45, 77,179.11 and 15,909.13

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Solution

The fourth proportional to 51,445.45, 77,179.11 and 15,909.13 is: 23,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.45 : 77,179.11 = 15,909.13 : x
  2. Step 2: Convert to fraction form
    51,445.45/77,179.11 = 15,909.13/x
  3. Step 3: Cross multiply
    51,445.45x = 77,179.11 × 15,909.13
  4. Step 4: Simplify right side
    51,445.45x = 1,227,852,494.27
  5. Step 5: Solve for x
    x = 1,227,852,494.27/51,445.45
  6. Step 6: Final answer
    x = 23,867.08

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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.