Home / 40,707.24-61,083.54-21,986.88

Finding the Fourth Proportional to 40,707.24, 61,083.54 and 21,986.88

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Solution

The fourth proportional to 40,707.24, 61,083.54 and 21,986.88 is: 32,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.24 : 61,083.54 = 21,986.88 : x
  2. Step 2: Convert to fraction form
    40,707.24/61,083.54 = 21,986.88/x
  3. Step 3: Cross multiply
    40,707.24x = 61,083.54 × 21,986.88
  4. Step 4: Simplify right side
    40,707.24x = 1,343,036,463.96
  5. Step 5: Solve for x
    x = 1,343,036,463.96/40,707.24
  6. Step 6: Final answer
    x = 32,992.57

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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.