Home / 38,300.66-52,854.15-21,304.32

Finding the Fourth Proportional to 38,300.66, 52,854.15 and 21,304.32

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Solution

The fourth proportional to 38,300.66, 52,854.15 and 21,304.32 is: 29,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.66 : 52,854.15 = 21,304.32 : x
  2. Step 2: Convert to fraction form
    38,300.66/52,854.15 = 21,304.32/x
  3. Step 3: Cross multiply
    38,300.66x = 52,854.15 × 21,304.32
  4. Step 4: Simplify right side
    38,300.66x = 1,126,021,724.93
  5. Step 5: Solve for x
    x = 1,126,021,724.93/38,300.66
  6. Step 6: Final answer
    x = 29,399.54

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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.