Home / 40,615.86-60,897.69-16,939.74

Finding the Fourth Proportional to 40,615.86, 60,897.69 and 16,939.74

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Solution

The fourth proportional to 40,615.86, 60,897.69 and 16,939.74 is: 25,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.86 : 60,897.69 = 16,939.74 : x
  2. Step 2: Convert to fraction form
    40,615.86/60,897.69 = 16,939.74/x
  3. Step 3: Cross multiply
    40,615.86x = 60,897.69 × 16,939.74
  4. Step 4: Simplify right side
    40,615.86x = 1,031,591,035.20
  5. Step 5: Solve for x
    x = 1,031,591,035.20/40,615.86
  6. Step 6: Final answer
    x = 25,398.72

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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.