Home / 40,466.56-60,708.86-12,390.55

Finding the Fourth Proportional to 40,466.56, 60,708.86 and 12,390.55

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Solution

The fourth proportional to 40,466.56, 60,708.86 and 12,390.55 is: 18,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,466.56 : 60,708.86 = 12,390.55 : x
  2. Step 2: Convert to fraction form
    40,466.56/60,708.86 = 12,390.55/x
  3. Step 3: Cross multiply
    40,466.56x = 60,708.86 × 12,390.55
  4. Step 4: Simplify right side
    40,466.56x = 752,216,165.27
  5. Step 5: Solve for x
    x = 752,216,165.27/40,466.56
  6. Step 6: Final answer
    x = 18,588.59

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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.