Home / 40,177.60-60,266.40-39,486.40

Finding the Fourth Proportional to 40,177.60, 60,266.40 and 39,486.40

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Solution

The fourth proportional to 40,177.60, 60,266.40 and 39,486.40 is: 59,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177.60 : 60,266.40 = 39,486.40 : x
  2. Step 2: Convert to fraction form
    40,177.60/60,266.40 = 39,486.40/x
  3. Step 3: Cross multiply
    40,177.60x = 60,266.40 × 39,486.40
  4. Step 4: Simplify right side
    40,177.60x = 2,379,703,176.96
  5. Step 5: Solve for x
    x = 2,379,703,176.96/40,177.60
  6. Step 6: Final answer
    x = 59,229.60

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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.