Home / 36,158.64-49,901.40-20,242.68

Finding the Fourth Proportional to 36,158.64, 49,901.40 and 20,242.68

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Solution

The fourth proportional to 36,158.64, 49,901.40 and 20,242.68 is: 27,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.64 : 49,901.40 = 20,242.68 : x
  2. Step 2: Convert to fraction form
    36,158.64/49,901.40 = 20,242.68/x
  3. Step 3: Cross multiply
    36,158.64x = 49,901.40 × 20,242.68
  4. Step 4: Simplify right side
    36,158.64x = 1,010,138,071.75
  5. Step 5: Solve for x
    x = 1,010,138,071.75/36,158.64
  6. Step 6: Final answer
    x = 27,936.28

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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.