Home / 57,189.16-85,795.19-19,750.60

Finding the Fourth Proportional to 57,189.16, 85,795.19 and 19,750.60

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Solution

The fourth proportional to 57,189.16, 85,795.19 and 19,750.60 is: 29,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,189.16 : 85,795.19 = 19,750.60 : x
  2. Step 2: Convert to fraction form
    57,189.16/85,795.19 = 19,750.60/x
  3. Step 3: Cross multiply
    57,189.16x = 85,795.19 × 19,750.60
  4. Step 4: Simplify right side
    57,189.16x = 1,694,506,479.61
  5. Step 5: Solve for x
    x = 1,694,506,479.61/57,189.16
  6. Step 6: Final answer
    x = 29,629.85

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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.