Home / 43,343.16-64,988.79-18,012.13

Finding the Fourth Proportional to 43,343.16, 64,988.79 and 18,012.13

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Solution

The fourth proportional to 43,343.16, 64,988.79 and 18,012.13 is: 27,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.16 : 64,988.79 = 18,012.13 : x
  2. Step 2: Convert to fraction form
    43,343.16/64,988.79 = 18,012.13/x
  3. Step 3: Cross multiply
    43,343.16x = 64,988.79 × 18,012.13
  4. Step 4: Simplify right side
    43,343.16x = 1,170,586,339.26
  5. Step 5: Solve for x
    x = 1,170,586,339.26/43,343.16
  6. Step 6: Final answer
    x = 27,007.41

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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.