Home / 38,919.04-53,712.32-23,821.76

Finding the Fourth Proportional to 38,919.04, 53,712.32 and 23,821.76

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Solution

The fourth proportional to 38,919.04, 53,712.32 and 23,821.76 is: 32,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.04 : 53,712.32 = 23,821.76 : x
  2. Step 2: Convert to fraction form
    38,919.04/53,712.32 = 23,821.76/x
  3. Step 3: Cross multiply
    38,919.04x = 53,712.32 × 23,821.76
  4. Step 4: Simplify right side
    38,919.04x = 1,279,521,876.97
  5. Step 5: Solve for x
    x = 1,279,521,876.97/38,919.04
  6. Step 6: Final answer
    x = 32,876.51

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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.