Home / 35,724.78-49,302.68-19,810.71

Finding the Fourth Proportional to 35,724.78, 49,302.68 and 19,810.71

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Solution

The fourth proportional to 35,724.78, 49,302.68 and 19,810.71 is: 27,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.78 : 49,302.68 = 19,810.71 : x
  2. Step 2: Convert to fraction form
    35,724.78/49,302.68 = 19,810.71/x
  3. Step 3: Cross multiply
    35,724.78x = 49,302.68 × 19,810.71
  4. Step 4: Simplify right side
    35,724.78x = 976,720,996.65
  5. Step 5: Solve for x
    x = 976,720,996.65/35,724.78
  6. Step 6: Final answer
    x = 27,340.15

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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.