Home / 57,221.20-85,857.40-26,040.40

Finding the Fourth Proportional to 57,221.20, 85,857.40 and 26,040.40

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Solution

The fourth proportional to 57,221.20, 85,857.40 and 26,040.40 is: 39,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.20 : 85,857.40 = 26,040.40 : x
  2. Step 2: Convert to fraction form
    57,221.20/85,857.40 = 26,040.40/x
  3. Step 3: Cross multiply
    57,221.20x = 85,857.40 × 26,040.40
  4. Step 4: Simplify right side
    57,221.20x = 2,235,761,038.96
  5. Step 5: Solve for x
    x = 2,235,761,038.96/57,221.20
  6. Step 6: Final answer
    x = 39,072.25

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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.