Home / 42,145.28-63,204.48-17,185.28

Finding the Fourth Proportional to 42,145.28, 63,204.48 and 17,185.28

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Solution

The fourth proportional to 42,145.28, 63,204.48 and 17,185.28 is: 25,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.28 : 63,204.48 = 17,185.28 : x
  2. Step 2: Convert to fraction form
    42,145.28/63,204.48 = 17,185.28/x
  3. Step 3: Cross multiply
    42,145.28x = 63,204.48 × 17,185.28
  4. Step 4: Simplify right side
    42,145.28x = 1,086,186,686.05
  5. Step 5: Solve for x
    x = 1,086,186,686.05/42,145.28
  6. Step 6: Final answer
    x = 25,772.44

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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.