Home / 36,172.40-49,918.28-20,040.18

Finding the Fourth Proportional to 36,172.40, 49,918.28 and 20,040.18

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Solution

The fourth proportional to 36,172.40, 49,918.28 and 20,040.18 is: 27,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.40 : 49,918.28 = 20,040.18 : x
  2. Step 2: Convert to fraction form
    36,172.40/49,918.28 = 20,040.18/x
  3. Step 3: Cross multiply
    36,172.40x = 49,918.28 × 20,040.18
  4. Step 4: Simplify right side
    36,172.40x = 1,000,371,216.29
  5. Step 5: Solve for x
    x = 1,000,371,216.29/36,172.40
  6. Step 6: Final answer
    x = 27,655.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.