Home / 47,378.28-71,042.58-23,660.40

Finding the Fourth Proportional to 47,378.28, 71,042.58 and 23,660.40

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Solution

The fourth proportional to 47,378.28, 71,042.58 and 23,660.40 is: 35,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.28 : 71,042.58 = 23,660.40 : x
  2. Step 2: Convert to fraction form
    47,378.28/71,042.58 = 23,660.40/x
  3. Step 3: Cross multiply
    47,378.28x = 71,042.58 × 23,660.40
  4. Step 4: Simplify right side
    47,378.28x = 1,680,895,859.83
  5. Step 5: Solve for x
    x = 1,680,895,859.83/47,378.28
  6. Step 6: Final answer
    x = 35,478.20

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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.