Home / 36,156.35-49,894.31-21,049.45

Finding the Fourth Proportional to 36,156.35, 49,894.31 and 21,049.45

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Solution

The fourth proportional to 36,156.35, 49,894.31 and 21,049.45 is: 29,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156.35 : 49,894.31 = 21,049.45 : x
  2. Step 2: Convert to fraction form
    36,156.35/49,894.31 = 21,049.45/x
  3. Step 3: Cross multiply
    36,156.35x = 49,894.31 × 21,049.45
  4. Step 4: Simplify right side
    36,156.35x = 1,050,247,428.91
  5. Step 5: Solve for x
    x = 1,050,247,428.91/36,156.35
  6. Step 6: Final answer
    x = 29,047.39

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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.