Home / 36,155.76-49,898.07-20,239.98

Finding the Fourth Proportional to 36,155.76, 49,898.07 and 20,239.98

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Solution

The fourth proportional to 36,155.76, 49,898.07 and 20,239.98 is: 27,932.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,155.76 : 49,898.07 = 20,239.98 : x
  2. Step 2: Convert to fraction form
    36,155.76/49,898.07 = 20,239.98/x
  3. Step 3: Cross multiply
    36,155.76x = 49,898.07 × 20,239.98
  4. Step 4: Simplify right side
    36,155.76x = 1,009,935,938.84
  5. Step 5: Solve for x
    x = 1,009,935,938.84/36,155.76
  6. Step 6: Final answer
    x = 27,932.92

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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.