Home / 37,899.38-52,300.43-20,905.20

Finding the Fourth Proportional to 37,899.38, 52,300.43 and 20,905.20

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Solution

The fourth proportional to 37,899.38, 52,300.43 and 20,905.20 is: 28,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,899.38 : 52,300.43 = 20,905.20 : x
  2. Step 2: Convert to fraction form
    37,899.38/52,300.43 = 20,905.20/x
  3. Step 3: Cross multiply
    37,899.38x = 52,300.43 × 20,905.20
  4. Step 4: Simplify right side
    37,899.38x = 1,093,350,844.71
  5. Step 5: Solve for x
    x = 1,093,350,844.71/37,899.38
  6. Step 6: Final answer
    x = 28,848.78

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Double scale
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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.