Home / 43,854.40-65,781.12-17,565.28

Finding the Fourth Proportional to 43,854.40, 65,781.12 and 17,565.28

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Solution

The fourth proportional to 43,854.40, 65,781.12 and 17,565.28 is: 26,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854.40 : 65,781.12 = 17,565.28 : x
  2. Step 2: Convert to fraction form
    43,854.40/65,781.12 = 17,565.28/x
  3. Step 3: Cross multiply
    43,854.40x = 65,781.12 × 17,565.28
  4. Step 4: Simplify right side
    43,854.40x = 1,155,463,791.51
  5. Step 5: Solve for x
    x = 1,155,463,791.51/43,854.40
  6. Step 6: Final answer
    x = 26,347.73

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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.