Home / 39,210.78-58,816.25-15,523.90

Finding the Fourth Proportional to 39,210.78, 58,816.25 and 15,523.90

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Solution

The fourth proportional to 39,210.78, 58,816.25 and 15,523.90 is: 23,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.78 : 58,816.25 = 15,523.90 : x
  2. Step 2: Convert to fraction form
    39,210.78/58,816.25 = 15,523.90/x
  3. Step 3: Cross multiply
    39,210.78x = 58,816.25 × 15,523.90
  4. Step 4: Simplify right side
    39,210.78x = 913,057,791.43
  5. Step 5: Solve for x
    x = 913,057,791.43/39,210.78
  6. Step 6: Final answer
    x = 23,285.88

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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.