Home / 38,815.74-53,567.91-29,367.90

Finding the Fourth Proportional to 38,815.74, 53,567.91 and 29,367.90

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Solution

The fourth proportional to 38,815.74, 53,567.91 and 29,367.90 is: 40,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.74 : 53,567.91 = 29,367.90 : x
  2. Step 2: Convert to fraction form
    38,815.74/53,567.91 = 29,367.90/x
  3. Step 3: Cross multiply
    38,815.74x = 53,567.91 × 29,367.90
  4. Step 4: Simplify right side
    38,815.74x = 1,573,177,024.09
  5. Step 5: Solve for x
    x = 1,573,177,024.09/38,815.74
  6. Step 6: Final answer
    x = 40,529.36

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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.