Home / 47,646.28-71,474.94-18,086.20

Finding the Fourth Proportional to 47,646.28, 71,474.94 and 18,086.20

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Solution

The fourth proportional to 47,646.28, 71,474.94 and 18,086.20 is: 27,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,646.28 : 71,474.94 = 18,086.20 : x
  2. Step 2: Convert to fraction form
    47,646.28/71,474.94 = 18,086.20/x
  3. Step 3: Cross multiply
    47,646.28x = 71,474.94 × 18,086.20
  4. Step 4: Simplify right side
    47,646.28x = 1,292,710,059.83
  5. Step 5: Solve for x
    x = 1,292,710,059.83/47,646.28
  6. Step 6: Final answer
    x = 27,131.40

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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.