Home / 42,197.88-63,213.33-34,309.20

Finding the Fourth Proportional to 42,197.88, 63,213.33 and 34,309.20

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Solution

The fourth proportional to 42,197.88, 63,213.33 and 34,309.20 is: 51,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,197.88 : 63,213.33 = 34,309.20 : x
  2. Step 2: Convert to fraction form
    42,197.88/63,213.33 = 34,309.20/x
  3. Step 3: Cross multiply
    42,197.88x = 63,213.33 × 34,309.20
  4. Step 4: Simplify right side
    42,197.88x = 2,168,798,781.64
  5. Step 5: Solve for x
    x = 2,168,798,781.64/42,197.88
  6. Step 6: Final answer
    x = 51,395.92

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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.