Home / 40,342.41-60,514.97-13,688.15

Finding the Fourth Proportional to 40,342.41, 60,514.97 and 13,688.15

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Solution

The fourth proportional to 40,342.41, 60,514.97 and 13,688.15 is: 20,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.41 : 60,514.97 = 13,688.15 : x
  2. Step 2: Convert to fraction form
    40,342.41/60,514.97 = 13,688.15/x
  3. Step 3: Cross multiply
    40,342.41x = 60,514.97 × 13,688.15
  4. Step 4: Simplify right side
    40,342.41x = 828,337,615.59
  5. Step 5: Solve for x
    x = 828,337,615.59/40,342.41
  6. Step 6: Final answer
    x = 20,532.68

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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.