Home / 36,988.38-51,045.57-20,861.10

Finding the Fourth Proportional to 36,988.38, 51,045.57 and 20,861.10

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Solution

The fourth proportional to 36,988.38, 51,045.57 and 20,861.10 is: 28,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.38 : 51,045.57 = 20,861.10 : x
  2. Step 2: Convert to fraction form
    36,988.38/51,045.57 = 20,861.10/x
  3. Step 3: Cross multiply
    36,988.38x = 51,045.57 × 20,861.10
  4. Step 4: Simplify right side
    36,988.38x = 1,064,866,740.33
  5. Step 5: Solve for x
    x = 1,064,866,740.33/36,988.38
  6. Step 6: Final answer
    x = 28,789.22

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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.