Home / 42,138.64-63,244.26-17,192.44

Finding the Fourth Proportional to 42,138.64, 63,244.26 and 17,192.44

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Solution

The fourth proportional to 42,138.64, 63,244.26 and 17,192.44 is: 25,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,138.64 : 63,244.26 = 17,192.44 : x
  2. Step 2: Convert to fraction form
    42,138.64/63,244.26 = 17,192.44/x
  3. Step 3: Cross multiply
    42,138.64x = 63,244.26 × 17,192.44
  4. Step 4: Simplify right side
    42,138.64x = 1,087,323,145.39
  5. Step 5: Solve for x
    x = 1,087,323,145.39/42,138.64
  6. Step 6: Final answer
    x = 25,803.47

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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.