Home / 43,772.48-65,670-12,610.16

Finding the Fourth Proportional to 43,772.48, 65,670 and 12,610.16

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Solution

The fourth proportional to 43,772.48, 65,670 and 12,610.16 is: 18,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,772.48 : 65,670 = 12,610.16 : x
  2. Step 2: Convert to fraction form
    43,772.48/65,670 = 12,610.16/x
  3. Step 3: Cross multiply
    43,772.48x = 65,670 × 12,610.16
  4. Step 4: Simplify right side
    43,772.48x = 828,109,207.20
  5. Step 5: Solve for x
    x = 828,109,207.20/43,772.48
  6. Step 6: Final answer
    x = 18,918.49

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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.