Home / 40,294.20-60,426.90-13,999.80

Finding the Fourth Proportional to 40,294.20, 60,426.90 and 13,999.80

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Solution

The fourth proportional to 40,294.20, 60,426.90 and 13,999.80 is: 20,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,294.20 : 60,426.90 = 13,999.80 : x
  2. Step 2: Convert to fraction form
    40,294.20/60,426.90 = 13,999.80/x
  3. Step 3: Cross multiply
    40,294.20x = 60,426.90 × 13,999.80
  4. Step 4: Simplify right side
    40,294.20x = 845,964,514.62
  5. Step 5: Solve for x
    x = 845,964,514.62/40,294.20
  6. Step 6: Final answer
    x = 20,994.70

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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.