Home / 43,617.79-65,341.02-28,781.42

Finding the Fourth Proportional to 43,617.79, 65,341.02 and 28,781.42

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Solution

The fourth proportional to 43,617.79, 65,341.02 and 28,781.42 is: 43,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,617.79 : 65,341.02 = 28,781.42 : x
  2. Step 2: Convert to fraction form
    43,617.79/65,341.02 = 28,781.42/x
  3. Step 3: Cross multiply
    43,617.79x = 65,341.02 × 28,781.42
  4. Step 4: Simplify right side
    43,617.79x = 1,880,607,339.85
  5. Step 5: Solve for x
    x = 1,880,607,339.85/43,617.79
  6. Step 6: Final answer
    x = 43,115.61

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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.