Home / 43,487.89-65,138.10-29,370.29

Finding the Fourth Proportional to 43,487.89, 65,138.10 and 29,370.29

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Solution

The fourth proportional to 43,487.89, 65,138.10 and 29,370.29 is: 43,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.89 : 65,138.10 = 29,370.29 : x
  2. Step 2: Convert to fraction form
    43,487.89/65,138.10 = 29,370.29/x
  3. Step 3: Cross multiply
    43,487.89x = 65,138.10 × 29,370.29
  4. Step 4: Simplify right side
    43,487.89x = 1,913,124,887.05
  5. Step 5: Solve for x
    x = 1,913,124,887.05/43,487.89
  6. Step 6: Final answer
    x = 43,992.13

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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.