Home / 47,707.18-71,549.83-21,419.44

Finding the Fourth Proportional to 47,707.18, 71,549.83 and 21,419.44

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Solution

The fourth proportional to 47,707.18, 71,549.83 and 21,419.44 is: 32,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,707.18 : 71,549.83 = 21,419.44 : x
  2. Step 2: Convert to fraction form
    47,707.18/71,549.83 = 21,419.44/x
  3. Step 3: Cross multiply
    47,707.18x = 71,549.83 × 21,419.44
  4. Step 4: Simplify right side
    47,707.18x = 1,532,557,138.59
  5. Step 5: Solve for x
    x = 1,532,557,138.59/47,707.18
  6. Step 6: Final answer
    x = 32,124.25

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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.