Home / 42,373.12-63,539.46-15,700.80

Finding the Fourth Proportional to 42,373.12, 63,539.46 and 15,700.80

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Solution

The fourth proportional to 42,373.12, 63,539.46 and 15,700.80 is: 23,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,373.12 : 63,539.46 = 15,700.80 : x
  2. Step 2: Convert to fraction form
    42,373.12/63,539.46 = 15,700.80/x
  3. Step 3: Cross multiply
    42,373.12x = 63,539.46 × 15,700.80
  4. Step 4: Simplify right side
    42,373.12x = 997,620,353.57
  5. Step 5: Solve for x
    x = 997,620,353.57/42,373.12
  6. Step 6: Final answer
    x = 23,543.71

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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.