Home / 57,240.77-85,851.44-15,121.31

Finding the Fourth Proportional to 57,240.77, 85,851.44 and 15,121.31

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Solution

The fourth proportional to 57,240.77, 85,851.44 and 15,121.31 is: 22,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.77 : 85,851.44 = 15,121.31 : x
  2. Step 2: Convert to fraction form
    57,240.77/85,851.44 = 15,121.31/x
  3. Step 3: Cross multiply
    57,240.77x = 85,851.44 × 15,121.31
  4. Step 4: Simplify right side
    57,240.77x = 1,298,186,162.58
  5. Step 5: Solve for x
    x = 1,298,186,162.58/57,240.77
  6. Step 6: Final answer
    x = 22,679.40

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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.