Home / 45,158.05-62,348.55-28,188.14

Finding the Fourth Proportional to 45,158.05, 62,348.55 and 28,188.14

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Solution

The fourth proportional to 45,158.05, 62,348.55 and 28,188.14 is: 38,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158.05 : 62,348.55 = 28,188.14 : x
  2. Step 2: Convert to fraction form
    45,158.05/62,348.55 = 28,188.14/x
  3. Step 3: Cross multiply
    45,158.05x = 62,348.55 × 28,188.14
  4. Step 4: Simplify right side
    45,158.05x = 1,757,489,656.20
  5. Step 5: Solve for x
    x = 1,757,489,656.20/45,158.05
  6. Step 6: Final answer
    x = 38,918.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.