Home / 40,283.97-60,443.06-21,559.15

Finding the Fourth Proportional to 40,283.97, 60,443.06 and 21,559.15

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Solution

The fourth proportional to 40,283.97, 60,443.06 and 21,559.15 is: 32,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.97 : 60,443.06 = 21,559.15 : x
  2. Step 2: Convert to fraction form
    40,283.97/60,443.06 = 21,559.15/x
  3. Step 3: Cross multiply
    40,283.97x = 60,443.06 × 21,559.15
  4. Step 4: Simplify right side
    40,283.97x = 1,303,100,964.76
  5. Step 5: Solve for x
    x = 1,303,100,964.76/40,283.97
  6. Step 6: Final answer
    x = 32,347.88

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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.