Home / 43,287.59-65,029.91-31,316.66

Finding the Fourth Proportional to 43,287.59, 65,029.91 and 31,316.66

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Solution

The fourth proportional to 43,287.59, 65,029.91 and 31,316.66 is: 47,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.59 : 65,029.91 = 31,316.66 : x
  2. Step 2: Convert to fraction form
    43,287.59/65,029.91 = 31,316.66/x
  3. Step 3: Cross multiply
    43,287.59x = 65,029.91 × 31,316.66
  4. Step 4: Simplify right side
    43,287.59x = 2,036,519,099.57
  5. Step 5: Solve for x
    x = 2,036,519,099.57/43,287.59
  6. Step 6: Final answer
    x = 47,046.26

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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.