Home / 36,187.38-49,939.47-20,275.08

Finding the Fourth Proportional to 36,187.38, 49,939.47 and 20,275.08

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Solution

The fourth proportional to 36,187.38, 49,939.47 and 20,275.08 is: 27,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.38 : 49,939.47 = 20,275.08 : x
  2. Step 2: Convert to fraction form
    36,187.38/49,939.47 = 20,275.08/x
  3. Step 3: Cross multiply
    36,187.38x = 49,939.47 × 20,275.08
  4. Step 4: Simplify right side
    36,187.38x = 1,012,526,749.41
  5. Step 5: Solve for x
    x = 1,012,526,749.41/36,187.38
  6. Step 6: Final answer
    x = 27,980.11

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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.