Home / 43,360.84-65,032.08-13,781.26

Finding the Fourth Proportional to 43,360.84, 65,032.08 and 13,781.26

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Solution

The fourth proportional to 43,360.84, 65,032.08 and 13,781.26 is: 20,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.84 : 65,032.08 = 13,781.26 : x
  2. Step 2: Convert to fraction form
    43,360.84/65,032.08 = 13,781.26/x
  3. Step 3: Cross multiply
    43,360.84x = 65,032.08 × 13,781.26
  4. Step 4: Simplify right side
    43,360.84x = 896,224,002.82
  5. Step 5: Solve for x
    x = 896,224,002.82/43,360.84
  6. Step 6: Final answer
    x = 20,668.97

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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.