Home / 42,197.28-63,301.50-15,539.64

Finding the Fourth Proportional to 42,197.28, 63,301.50 and 15,539.64

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Solution

The fourth proportional to 42,197.28, 63,301.50 and 15,539.64 is: 23,311.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,197.28 : 63,301.50 = 15,539.64 : x
  2. Step 2: Convert to fraction form
    42,197.28/63,301.50 = 15,539.64/x
  3. Step 3: Cross multiply
    42,197.28x = 63,301.50 × 15,539.64
  4. Step 4: Simplify right side
    42,197.28x = 983,682,521.46
  5. Step 5: Solve for x
    x = 983,682,521.46/42,197.28
  6. Step 6: Final answer
    x = 23,311.51

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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.