Home / 38,867.45-53,646.60-25,471.13

Finding the Fourth Proportional to 38,867.45, 53,646.60 and 25,471.13

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Solution

The fourth proportional to 38,867.45, 53,646.60 and 25,471.13 is: 35,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867.45 : 53,646.60 = 25,471.13 : x
  2. Step 2: Convert to fraction form
    38,867.45/53,646.60 = 25,471.13/x
  3. Step 3: Cross multiply
    38,867.45x = 53,646.60 × 25,471.13
  4. Step 4: Simplify right side
    38,867.45x = 1,366,439,522.66
  5. Step 5: Solve for x
    x = 1,366,439,522.66/38,867.45
  6. Step 6: Final answer
    x = 35,156.40

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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.