Home / 47,380.41-65,385.11-25,870.20

Finding the Fourth Proportional to 47,380.41, 65,385.11 and 25,870.20

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Solution

The fourth proportional to 47,380.41, 65,385.11 and 25,870.20 is: 35,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.41 : 65,385.11 = 25,870.20 : x
  2. Step 2: Convert to fraction form
    47,380.41/65,385.11 = 25,870.20/x
  3. Step 3: Cross multiply
    47,380.41x = 65,385.11 × 25,870.20
  4. Step 4: Simplify right side
    47,380.41x = 1,691,525,872.72
  5. Step 5: Solve for x
    x = 1,691,525,872.72/47,380.41
  6. Step 6: Final answer
    x = 35,700.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.