Home / 40,016.78-60,023.86-11,937.06

Finding the Fourth Proportional to 40,016.78, 60,023.86 and 11,937.06

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Solution

The fourth proportional to 40,016.78, 60,023.86 and 11,937.06 is: 17,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.78 : 60,023.86 = 11,937.06 : x
  2. Step 2: Convert to fraction form
    40,016.78/60,023.86 = 11,937.06/x
  3. Step 3: Cross multiply
    40,016.78x = 60,023.86 × 11,937.06
  4. Step 4: Simplify right side
    40,016.78x = 716,508,418.25
  5. Step 5: Solve for x
    x = 716,508,418.25/40,016.78
  6. Step 6: Final answer
    x = 17,905.20

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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.