Home / 57,512.18-86,271.90-18,070.86

Finding the Fourth Proportional to 57,512.18, 86,271.90 and 18,070.86

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Solution

The fourth proportional to 57,512.18, 86,271.90 and 18,070.86 is: 27,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,512.18 : 86,271.90 = 18,070.86 : x
  2. Step 2: Convert to fraction form
    57,512.18/86,271.90 = 18,070.86/x
  3. Step 3: Cross multiply
    57,512.18x = 86,271.90 × 18,070.86
  4. Step 4: Simplify right side
    57,512.18x = 1,559,007,426.83
  5. Step 5: Solve for x
    x = 1,559,007,426.83/57,512.18
  6. Step 6: Final answer
    x = 27,107.43

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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.