Home / 36,154.38-49,988.29-31,665.28

Finding the Fourth Proportional to 36,154.38, 49,988.29 and 31,665.28

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Solution

The fourth proportional to 36,154.38, 49,988.29 and 31,665.28 is: 43,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.38 : 49,988.29 = 31,665.28 : x
  2. Step 2: Convert to fraction form
    36,154.38/49,988.29 = 31,665.28/x
  3. Step 3: Cross multiply
    36,154.38x = 49,988.29 × 31,665.28
  4. Step 4: Simplify right side
    36,154.38x = 1,582,892,995.44
  5. Step 5: Solve for x
    x = 1,582,892,995.44/36,154.38
  6. Step 6: Final answer
    x = 43,781.50

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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.