Home / 40,368.16-60,555.33-12,290.61

Finding the Fourth Proportional to 40,368.16, 60,555.33 and 12,290.61

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Solution

The fourth proportional to 40,368.16, 60,555.33 and 12,290.61 is: 18,436.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.16 : 60,555.33 = 12,290.61 : x
  2. Step 2: Convert to fraction form
    40,368.16/60,555.33 = 12,290.61/x
  3. Step 3: Cross multiply
    40,368.16x = 60,555.33 × 12,290.61
  4. Step 4: Simplify right side
    40,368.16x = 744,261,883.00
  5. Step 5: Solve for x
    x = 744,261,883.00/40,368.16
  6. Step 6: Final answer
    x = 18,436.86

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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.