Home / 38,541.78-57,812.61-10,839.78

Finding the Fourth Proportional to 38,541.78, 57,812.61 and 10,839.78

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Solution

The fourth proportional to 38,541.78, 57,812.61 and 10,839.78 is: 16,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,541.78 : 57,812.61 = 10,839.78 : x
  2. Step 2: Convert to fraction form
    38,541.78/57,812.61 = 10,839.78/x
  3. Step 3: Cross multiply
    38,541.78x = 57,812.61 × 10,839.78
  4. Step 4: Simplify right side
    38,541.78x = 626,675,973.63
  5. Step 5: Solve for x
    x = 626,675,973.63/38,541.78
  6. Step 6: Final answer
    x = 16,259.65

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1.5x scale

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.