Home / 37,119.57-51,221.97-20,988.29

Finding the Fourth Proportional to 37,119.57, 51,221.97 and 20,988.29

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Solution

The fourth proportional to 37,119.57, 51,221.97 and 20,988.29 is: 28,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,119.57 : 51,221.97 = 20,988.29 : x
  2. Step 2: Convert to fraction form
    37,119.57/51,221.97 = 20,988.29/x
  3. Step 3: Cross multiply
    37,119.57x = 51,221.97 × 20,988.29
  4. Step 4: Simplify right side
    37,119.57x = 1,075,061,304.62
  5. Step 5: Solve for x
    x = 1,075,061,304.62/37,119.57
  6. Step 6: Final answer
    x = 28,962.12

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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.