Home / 40,200.30-60,300.45-27,758.70

Finding the Fourth Proportional to 40,200.30, 60,300.45 and 27,758.70

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Solution

The fourth proportional to 40,200.30, 60,300.45 and 27,758.70 is: 41,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.30 : 60,300.45 = 27,758.70 : x
  2. Step 2: Convert to fraction form
    40,200.30/60,300.45 = 27,758.70/x
  3. Step 3: Cross multiply
    40,200.30x = 60,300.45 × 27,758.70
  4. Step 4: Simplify right side
    40,200.30x = 1,673,862,101.42
  5. Step 5: Solve for x
    x = 1,673,862,101.42/40,200.30
  6. Step 6: Final answer
    x = 41,638.05

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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.