Home / 67,558.57-101,352.35-20,177.40

Finding the Fourth Proportional to 67,558.57, 101,352.35 and 20,177.40

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Solution

The fourth proportional to 67,558.57, 101,352.35 and 20,177.40 is: 30,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,558.57 : 101,352.35 = 20,177.40 : x
  2. Step 2: Convert to fraction form
    67,558.57/101,352.35 = 20,177.40/x
  3. Step 3: Cross multiply
    67,558.57x = 101,352.35 × 20,177.40
  4. Step 4: Simplify right side
    67,558.57x = 2,045,026,906.89
  5. Step 5: Solve for x
    x = 2,045,026,906.89/67,558.57
  6. Step 6: Final answer
    x = 30,270.43

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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.