Home / 49,581.05-74,386.15-19,983.65

Finding the Fourth Proportional to 49,581.05, 74,386.15 and 19,983.65

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Solution

The fourth proportional to 49,581.05, 74,386.15 and 19,983.65 is: 29,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,581.05 : 74,386.15 = 19,983.65 : x
  2. Step 2: Convert to fraction form
    49,581.05/74,386.15 = 19,983.65/x
  3. Step 3: Cross multiply
    49,581.05x = 74,386.15 × 19,983.65
  4. Step 4: Simplify right side
    49,581.05x = 1,486,506,364.56
  5. Step 5: Solve for x
    x = 1,486,506,364.56/49,581.05
  6. Step 6: Final answer
    x = 29,981.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.