Home / 40,365.86-60,561.74-12,291.35

Finding the Fourth Proportional to 40,365.86, 60,561.74 and 12,291.35

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Solution

The fourth proportional to 40,365.86, 60,561.74 and 12,291.35 is: 18,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,365.86 : 60,561.74 = 12,291.35 : x
  2. Step 2: Convert to fraction form
    40,365.86/60,561.74 = 12,291.35/x
  3. Step 3: Cross multiply
    40,365.86x = 60,561.74 × 12,291.35
  4. Step 4: Simplify right side
    40,365.86x = 744,385,270.87
  5. Step 5: Solve for x
    x = 744,385,270.87/40,365.86
  6. Step 6: Final answer
    x = 18,440.96

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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.