Home / 38,821.28-53,558.16-23,891.36

Finding the Fourth Proportional to 38,821.28, 53,558.16 and 23,891.36

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Solution

The fourth proportional to 38,821.28, 53,558.16 and 23,891.36 is: 32,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.28 : 53,558.16 = 23,891.36 : x
  2. Step 2: Convert to fraction form
    38,821.28/53,558.16 = 23,891.36/x
  3. Step 3: Cross multiply
    38,821.28x = 53,558.16 × 23,891.36
  4. Step 4: Simplify right side
    38,821.28x = 1,279,577,281.50
  5. Step 5: Solve for x
    x = 1,279,577,281.50/38,821.28
  6. Step 6: Final answer
    x = 32,960.72

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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.