Home / 40,246.40-60,304.80-20,495.36

Finding the Fourth Proportional to 40,246.40, 60,304.80 and 20,495.36

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Solution

The fourth proportional to 40,246.40, 60,304.80 and 20,495.36 is: 30,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.40 : 60,304.80 = 20,495.36 : x
  2. Step 2: Convert to fraction form
    40,246.40/60,304.80 = 20,495.36/x
  3. Step 3: Cross multiply
    40,246.40x = 60,304.80 × 20,495.36
  4. Step 4: Simplify right side
    40,246.40x = 1,235,968,585.73
  5. Step 5: Solve for x
    x = 1,235,968,585.73/40,246.40
  6. Step 6: Final answer
    x = 30,710.04

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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.