Home / 40,365.33-60,540.84-12,278.58

Finding the Fourth Proportional to 40,365.33, 60,540.84 and 12,278.58

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Solution

The fourth proportional to 40,365.33, 60,540.84 and 12,278.58 is: 18,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,365.33 : 60,540.84 = 12,278.58 : x
  2. Step 2: Convert to fraction form
    40,365.33/60,540.84 = 12,278.58/x
  3. Step 3: Cross multiply
    40,365.33x = 60,540.84 × 12,278.58
  4. Step 4: Simplify right side
    40,365.33x = 743,355,547.21
  5. Step 5: Solve for x
    x = 743,355,547.21/40,365.33
  6. Step 6: Final answer
    x = 18,415.69

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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.