Home / 42,163.20-63,244.80-15,873.84

Finding the Fourth Proportional to 42,163.20, 63,244.80 and 15,873.84

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Solution

The fourth proportional to 42,163.20, 63,244.80 and 15,873.84 is: 23,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.20 : 63,244.80 = 15,873.84 : x
  2. Step 2: Convert to fraction form
    42,163.20/63,244.80 = 15,873.84/x
  3. Step 3: Cross multiply
    42,163.20x = 63,244.80 × 15,873.84
  4. Step 4: Simplify right side
    42,163.20x = 1,003,937,836.03
  5. Step 5: Solve for x
    x = 1,003,937,836.03/42,163.20
  6. Step 6: Final answer
    x = 23,810.76

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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.