Home / 38,552.24-53,201.40-21,784.88

Finding the Fourth Proportional to 38,552.24, 53,201.40 and 21,784.88

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Solution

The fourth proportional to 38,552.24, 53,201.40 and 21,784.88 is: 30,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,552.24 : 53,201.40 = 21,784.88 : x
  2. Step 2: Convert to fraction form
    38,552.24/53,201.40 = 21,784.88/x
  3. Step 3: Cross multiply
    38,552.24x = 53,201.40 × 21,784.88
  4. Step 4: Simplify right side
    38,552.24x = 1,158,986,114.83
  5. Step 5: Solve for x
    x = 1,158,986,114.83/38,552.24
  6. Step 6: Final answer
    x = 30,062.74

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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.