Home / 40,020.96-60,013.84-21,296.48

Finding the Fourth Proportional to 40,020.96, 60,013.84 and 21,296.48

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Solution

The fourth proportional to 40,020.96, 60,013.84 and 21,296.48 is: 31,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.96 : 60,013.84 = 21,296.48 : x
  2. Step 2: Convert to fraction form
    40,020.96/60,013.84 = 21,296.48/x
  3. Step 3: Cross multiply
    40,020.96x = 60,013.84 × 21,296.48
  4. Step 4: Simplify right side
    40,020.96x = 1,278,083,543.28
  5. Step 5: Solve for x
    x = 1,278,083,543.28/40,020.96
  6. Step 6: Final answer
    x = 31,935.35

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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.