Home / 40,003.40-60,005.10-39,711.80

Finding the Fourth Proportional to 40,003.40, 60,005.10 and 39,711.80

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Solution

The fourth proportional to 40,003.40, 60,005.10 and 39,711.80 is: 59,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,003.40 : 60,005.10 = 39,711.80 : x
  2. Step 2: Convert to fraction form
    40,003.40/60,005.10 = 39,711.80/x
  3. Step 3: Cross multiply
    40,003.40x = 60,005.10 × 39,711.80
  4. Step 4: Simplify right side
    40,003.40x = 2,382,910,530.18
  5. Step 5: Solve for x
    x = 2,382,910,530.18/40,003.40
  6. Step 6: Final answer
    x = 59,567.70

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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.