Home / 40,072.86-60,117.87-11,995.08

Finding the Fourth Proportional to 40,072.86, 60,117.87 and 11,995.08

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Solution

The fourth proportional to 40,072.86, 60,117.87 and 11,995.08 is: 17,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072.86 : 60,117.87 = 11,995.08 : x
  2. Step 2: Convert to fraction form
    40,072.86/60,117.87 = 11,995.08/x
  3. Step 3: Cross multiply
    40,072.86x = 60,117.87 × 11,995.08
  4. Step 4: Simplify right side
    40,072.86x = 721,118,660.08
  5. Step 5: Solve for x
    x = 721,118,660.08/40,072.86
  6. Step 6: Final answer
    x = 17,995.19

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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.