Home / 40,091.52-60,151.08-17,920.20

Finding the Fourth Proportional to 40,091.52, 60,151.08 and 17,920.20

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Solution

The fourth proportional to 40,091.52, 60,151.08 and 17,920.20 is: 26,886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,091.52 : 60,151.08 = 17,920.20 : x
  2. Step 2: Convert to fraction form
    40,091.52/60,151.08 = 17,920.20/x
  3. Step 3: Cross multiply
    40,091.52x = 60,151.08 × 17,920.20
  4. Step 4: Simplify right side
    40,091.52x = 1,077,919,383.82
  5. Step 5: Solve for x
    x = 1,077,919,383.82/40,091.52
  6. Step 6: Final answer
    x = 26,886.47

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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.