Home / 31,779.28-43,854.96-17,632.18

Finding the Fourth Proportional to 31,779.28, 43,854.96 and 17,632.18

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Solution

The fourth proportional to 31,779.28, 43,854.96 and 17,632.18 is: 24,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779.28 : 43,854.96 = 17,632.18 : x
  2. Step 2: Convert to fraction form
    31,779.28/43,854.96 = 17,632.18/x
  3. Step 3: Cross multiply
    31,779.28x = 43,854.96 × 17,632.18
  4. Step 4: Simplify right side
    31,779.28x = 773,258,438.98
  5. Step 5: Solve for x
    x = 773,258,438.98/31,779.28
  6. Step 6: Final answer
    x = 24,332.16

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1.5x scale

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.