Home / 38,542.91-53,191.68-21,547.22

Finding the Fourth Proportional to 38,542.91, 53,191.68 and 21,547.22

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Solution

The fourth proportional to 38,542.91, 53,191.68 and 21,547.22 is: 29,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.91 : 53,191.68 = 21,547.22 : x
  2. Step 2: Convert to fraction form
    38,542.91/53,191.68 = 21,547.22/x
  3. Step 3: Cross multiply
    38,542.91x = 53,191.68 × 21,547.22
  4. Step 4: Simplify right side
    38,542.91x = 1,146,132,484.37
  5. Step 5: Solve for x
    x = 1,146,132,484.37/38,542.91
  6. Step 6: Final answer
    x = 29,736.54

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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.