Home / 40,428.20-60,642.30-36,054.20

Finding the Fourth Proportional to 40,428.20, 60,642.30 and 36,054.20

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Solution

The fourth proportional to 40,428.20, 60,642.30 and 36,054.20 is: 54,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.20 : 60,642.30 = 36,054.20 : x
  2. Step 2: Convert to fraction form
    40,428.20/60,642.30 = 36,054.20/x
  3. Step 3: Cross multiply
    40,428.20x = 60,642.30 × 36,054.20
  4. Step 4: Simplify right side
    40,428.20x = 2,186,409,612.66
  5. Step 5: Solve for x
    x = 2,186,409,612.66/40,428.20
  6. Step 6: Final answer
    x = 54,081.30

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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.