Home / 40,135.15-60,197.95-10,555.30

Finding the Fourth Proportional to 40,135.15, 60,197.95 and 10,555.30

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Solution

The fourth proportional to 40,135.15, 60,197.95 and 10,555.30 is: 15,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.15 : 60,197.95 = 10,555.30 : x
  2. Step 2: Convert to fraction form
    40,135.15/60,197.95 = 10,555.30/x
  3. Step 3: Cross multiply
    40,135.15x = 60,197.95 × 10,555.30
  4. Step 4: Simplify right side
    40,135.15x = 635,407,421.64
  5. Step 5: Solve for x
    x = 635,407,421.64/40,135.15
  6. Step 6: Final answer
    x = 15,831.69

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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.