Home / 57,148.20-85,686.30-23,891.40

Finding the Fourth Proportional to 57,148.20, 85,686.30 and 23,891.40

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Solution

The fourth proportional to 57,148.20, 85,686.30 and 23,891.40 is: 35,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,148.20 : 85,686.30 = 23,891.40 : x
  2. Step 2: Convert to fraction form
    57,148.20/85,686.30 = 23,891.40/x
  3. Step 3: Cross multiply
    57,148.20x = 85,686.30 × 23,891.40
  4. Step 4: Simplify right side
    57,148.20x = 2,047,165,667.82
  5. Step 5: Solve for x
    x = 2,047,165,667.82/57,148.20
  6. Step 6: Final answer
    x = 35,822.05

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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.