Home / 36,158.20-49,896-20,239.96

Finding the Fourth Proportional to 36,158.20, 49,896 and 20,239.96

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Solution

The fourth proportional to 36,158.20, 49,896 and 20,239.96 is: 27,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.20 : 49,896 = 20,239.96 : x
  2. Step 2: Convert to fraction form
    36,158.20/49,896 = 20,239.96/x
  3. Step 3: Cross multiply
    36,158.20x = 49,896 × 20,239.96
  4. Step 4: Simplify right side
    36,158.20x = 1,009,893,044.16
  5. Step 5: Solve for x
    x = 1,009,893,044.16/36,158.20
  6. Step 6: Final answer
    x = 27,929.85

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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.