Home / 40,454.84-60,656.90-12,365.55

Finding the Fourth Proportional to 40,454.84, 60,656.90 and 12,365.55

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Solution

The fourth proportional to 40,454.84, 60,656.90 and 12,365.55 is: 18,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.84 : 60,656.90 = 12,365.55 : x
  2. Step 2: Convert to fraction form
    40,454.84/60,656.90 = 12,365.55/x
  3. Step 3: Cross multiply
    40,454.84x = 60,656.90 × 12,365.55
  4. Step 4: Simplify right side
    40,454.84x = 750,055,867.97
  5. Step 5: Solve for x
    x = 750,055,867.97/40,454.84
  6. Step 6: Final answer
    x = 18,540.57

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1.5x scale

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.