Home / 40,365.07-60,560.58-12,290.56

Finding the Fourth Proportional to 40,365.07, 60,560.58 and 12,290.56

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Solution

The fourth proportional to 40,365.07, 60,560.58 and 12,290.56 is: 18,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,365.07 : 60,560.58 = 12,290.56 : x
  2. Step 2: Convert to fraction form
    40,365.07/60,560.58 = 12,290.56/x
  3. Step 3: Cross multiply
    40,365.07x = 60,560.58 × 12,290.56
  4. Step 4: Simplify right side
    40,365.07x = 744,323,442.12
  5. Step 5: Solve for x
    x = 744,323,442.12/40,365.07
  6. Step 6: Final answer
    x = 18,439.79

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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.