Home / 43,486.16-65,118.49-28,650.10

Finding the Fourth Proportional to 43,486.16, 65,118.49 and 28,650.10

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Solution

The fourth proportional to 43,486.16, 65,118.49 and 28,650.10 is: 42,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,486.16 : 65,118.49 = 28,650.10 : x
  2. Step 2: Convert to fraction form
    43,486.16/65,118.49 = 28,650.10/x
  3. Step 3: Cross multiply
    43,486.16x = 65,118.49 × 28,650.10
  4. Step 4: Simplify right side
    43,486.16x = 1,865,651,293.68
  5. Step 5: Solve for x
    x = 1,865,651,293.68/43,486.16
  6. Step 6: Final answer
    x = 42,902.19

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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.