Home / 47,442.24-71,163.36-12,381.59

Finding the Fourth Proportional to 47,442.24, 71,163.36 and 12,381.59

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Solution

The fourth proportional to 47,442.24, 71,163.36 and 12,381.59 is: 18,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,442.24 : 71,163.36 = 12,381.59 : x
  2. Step 2: Convert to fraction form
    47,442.24/71,163.36 = 12,381.59/x
  3. Step 3: Cross multiply
    47,442.24x = 71,163.36 × 12,381.59
  4. Step 4: Simplify right side
    47,442.24x = 881,115,724.45
  5. Step 5: Solve for x
    x = 881,115,724.45/47,442.24
  6. Step 6: Final answer
    x = 18,572.39

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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.