Home / 40,291.74-60,326.82-30,400.98

Finding the Fourth Proportional to 40,291.74, 60,326.82 and 30,400.98

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Solution

The fourth proportional to 40,291.74, 60,326.82 and 30,400.98 is: 45,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.74 : 60,326.82 = 30,400.98 : x
  2. Step 2: Convert to fraction form
    40,291.74/60,326.82 = 30,400.98/x
  3. Step 3: Cross multiply
    40,291.74x = 60,326.82 × 30,400.98
  4. Step 4: Simplify right side
    40,291.74x = 1,833,994,448.28
  5. Step 5: Solve for x
    x = 1,833,994,448.28/40,291.74
  6. Step 6: Final answer
    x = 45,517.88

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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.