Home / 35,981.32-49,654.13-20,065.79

Finding the Fourth Proportional to 35,981.32, 49,654.13 and 20,065.79

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Solution

The fourth proportional to 35,981.32, 49,654.13 and 20,065.79 is: 27,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.32 : 49,654.13 = 20,065.79 : x
  2. Step 2: Convert to fraction form
    35,981.32/49,654.13 = 20,065.79/x
  3. Step 3: Cross multiply
    35,981.32x = 49,654.13 × 20,065.79
  4. Step 4: Simplify right side
    35,981.32x = 996,349,320.13
  5. Step 5: Solve for x
    x = 996,349,320.13/35,981.32
  6. Step 6: Final answer
    x = 27,690.74

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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.