Home / 31,909.23-44,034.03-19,979.16

Finding the Fourth Proportional to 31,909.23, 44,034.03 and 19,979.16

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Solution

The fourth proportional to 31,909.23, 44,034.03 and 19,979.16 is: 27,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,909.23 : 44,034.03 = 19,979.16 : x
  2. Step 2: Convert to fraction form
    31,909.23/44,034.03 = 19,979.16/x
  3. Step 3: Cross multiply
    31,909.23x = 44,034.03 × 19,979.16
  4. Step 4: Simplify right side
    31,909.23x = 879,762,930.81
  5. Step 5: Solve for x
    x = 879,762,930.81/31,909.23
  6. Step 6: Final answer
    x = 27,570.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.