Home / 38,742.64-53,456.12-22,828.56

Finding the Fourth Proportional to 38,742.64, 53,456.12 and 22,828.56

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Solution

The fourth proportional to 38,742.64, 53,456.12 and 22,828.56 is: 31,498.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.64 : 53,456.12 = 22,828.56 : x
  2. Step 2: Convert to fraction form
    38,742.64/53,456.12 = 22,828.56/x
  3. Step 3: Cross multiply
    38,742.64x = 53,456.12 × 22,828.56
  4. Step 4: Simplify right side
    38,742.64x = 1,220,326,242.79
  5. Step 5: Solve for x
    x = 1,220,326,242.79/38,742.64
  6. Step 6: Final answer
    x = 31,498.27

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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.