Home / 42,750.46-59,003.79-28,189.05

Finding the Fourth Proportional to 42,750.46, 59,003.79 and 28,189.05

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Solution

The fourth proportional to 42,750.46, 59,003.79 and 28,189.05 is: 38,906.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.46 : 59,003.79 = 28,189.05 : x
  2. Step 2: Convert to fraction form
    42,750.46/59,003.79 = 28,189.05/x
  3. Step 3: Cross multiply
    42,750.46x = 59,003.79 × 28,189.05
  4. Step 4: Simplify right side
    42,750.46x = 1,663,260,459.53
  5. Step 5: Solve for x
    x = 1,663,260,459.53/42,750.46
  6. Step 6: Final answer
    x = 38,906.26

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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.