Home / 57,445.80-86,171.40-18,004.20

Finding the Fourth Proportional to 57,445.80, 86,171.40 and 18,004.20

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Solution

The fourth proportional to 57,445.80, 86,171.40 and 18,004.20 is: 27,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,445.80 : 86,171.40 = 18,004.20 : x
  2. Step 2: Convert to fraction form
    57,445.80/86,171.40 = 18,004.20/x
  3. Step 3: Cross multiply
    57,445.80x = 86,171.40 × 18,004.20
  4. Step 4: Simplify right side
    57,445.80x = 1,551,447,119.88
  5. Step 5: Solve for x
    x = 1,551,447,119.88/57,445.80
  6. Step 6: Final answer
    x = 27,007.15

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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.