Home / 43,363.79-65,056.04-13,781.68

Finding the Fourth Proportional to 43,363.79, 65,056.04 and 13,781.68

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Solution

The fourth proportional to 43,363.79, 65,056.04 and 13,781.68 is: 20,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,363.79 : 65,056.04 = 13,781.68 : x
  2. Step 2: Convert to fraction form
    43,363.79/65,056.04 = 13,781.68/x
  3. Step 3: Cross multiply
    43,363.79x = 65,056.04 × 13,781.68
  4. Step 4: Simplify right side
    43,363.79x = 896,581,467.46
  5. Step 5: Solve for x
    x = 896,581,467.46/43,363.79
  6. Step 6: Final answer
    x = 20,675.81

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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.