Home / 47,412.40-71,118.14-19,325.86

Finding the Fourth Proportional to 47,412.40, 71,118.14 and 19,325.86

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Solution

The fourth proportional to 47,412.40, 71,118.14 and 19,325.86 is: 28,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,412.40 : 71,118.14 = 19,325.86 : x
  2. Step 2: Convert to fraction form
    47,412.40/71,118.14 = 19,325.86/x
  3. Step 3: Cross multiply
    47,412.40x = 71,118.14 × 19,325.86
  4. Step 4: Simplify right side
    47,412.40x = 1,374,419,217.10
  5. Step 5: Solve for x
    x = 1,374,419,217.10/47,412.40
  6. Step 6: Final answer
    x = 28,988.60

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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.