Home / 38,867.19-53,662.55-29,898.87

Finding the Fourth Proportional to 38,867.19, 53,662.55 and 29,898.87

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Solution

The fourth proportional to 38,867.19, 53,662.55 and 29,898.87 is: 41,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.19 : 53,662.55 = 29,898.87 : x
  2. Step 2: Convert to fraction form
    38,867.19/53,662.55 = 29,898.87/x
  3. Step 3: Cross multiply
    38,867.19x = 53,662.55 × 29,898.87
  4. Step 4: Simplify right side
    38,867.19x = 1,604,449,456.82
  5. Step 5: Solve for x
    x = 1,604,449,456.82/38,867.19
  6. Step 6: Final answer
    x = 41,280.30

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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.