Home / 51,422.08-77,128.26-16,355.56

Finding the Fourth Proportional to 51,422.08, 77,128.26 and 16,355.56

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Solution

The fourth proportional to 51,422.08, 77,128.26 and 16,355.56 is: 24,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,422.08 : 77,128.26 = 16,355.56 : x
  2. Step 2: Convert to fraction form
    51,422.08/77,128.26 = 16,355.56/x
  3. Step 3: Cross multiply
    51,422.08x = 77,128.26 × 16,355.56
  4. Step 4: Simplify right side
    51,422.08x = 1,261,475,884.13
  5. Step 5: Solve for x
    x = 1,261,475,884.13/51,422.08
  6. Step 6: Final answer
    x = 24,531.79

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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.