Home / 47,125.20-70,685.40-15,960.72

Finding the Fourth Proportional to 47,125.20, 70,685.40 and 15,960.72

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Solution

The fourth proportional to 47,125.20, 70,685.40 and 15,960.72 is: 23,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,125.20 : 70,685.40 = 15,960.72 : x
  2. Step 2: Convert to fraction form
    47,125.20/70,685.40 = 15,960.72/x
  3. Step 3: Cross multiply
    47,125.20x = 70,685.40 × 15,960.72
  4. Step 4: Simplify right side
    47,125.20x = 1,128,189,877.49
  5. Step 5: Solve for x
    x = 1,128,189,877.49/47,125.20
  6. Step 6: Final answer
    x = 23,940.27

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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.