Home / 38,923.85-53,724.93-25,345.78

Finding the Fourth Proportional to 38,923.85, 53,724.93 and 25,345.78

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Solution

The fourth proportional to 38,923.85, 53,724.93 and 25,345.78 is: 34,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.85 : 53,724.93 = 25,345.78 : x
  2. Step 2: Convert to fraction form
    38,923.85/53,724.93 = 25,345.78/x
  3. Step 3: Cross multiply
    38,923.85x = 53,724.93 × 25,345.78
  4. Step 4: Simplify right side
    38,923.85x = 1,361,700,256.30
  5. Step 5: Solve for x
    x = 1,361,700,256.30/38,923.85
  6. Step 6: Final answer
    x = 34,983.70

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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.