Home / 38,591.38-53,254.65-21,824.74

Finding the Fourth Proportional to 38,591.38, 53,254.65 and 21,824.74

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Solution

The fourth proportional to 38,591.38, 53,254.65 and 21,824.74 is: 30,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,591.38 : 53,254.65 = 21,824.74 : x
  2. Step 2: Convert to fraction form
    38,591.38/53,254.65 = 21,824.74/x
  3. Step 3: Cross multiply
    38,591.38x = 53,254.65 × 21,824.74
  4. Step 4: Simplify right side
    38,591.38x = 1,162,268,890.04
  5. Step 5: Solve for x
    x = 1,162,268,890.04/38,591.38
  6. Step 6: Final answer
    x = 30,117.32

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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.