Home / 42,175.17-63,200.33-18,460.80

Finding the Fourth Proportional to 42,175.17, 63,200.33 and 18,460.80

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Solution

The fourth proportional to 42,175.17, 63,200.33 and 18,460.80 is: 27,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,175.17 : 63,200.33 = 18,460.80 : x
  2. Step 2: Convert to fraction form
    42,175.17/63,200.33 = 18,460.80/x
  3. Step 3: Cross multiply
    42,175.17x = 63,200.33 × 18,460.80
  4. Step 4: Simplify right side
    42,175.17x = 1,166,728,652.06
  5. Step 5: Solve for x
    x = 1,166,728,652.06/42,175.17
  6. Step 6: Final answer
    x = 27,663.88

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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.