Home / 38,111.80-52,594.68-21,116.56

Finding the Fourth Proportional to 38,111.80, 52,594.68 and 21,116.56

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Solution

The fourth proportional to 38,111.80, 52,594.68 and 21,116.56 is: 29,141.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.80 : 52,594.68 = 21,116.56 : x
  2. Step 2: Convert to fraction form
    38,111.80/52,594.68 = 21,116.56/x
  3. Step 3: Cross multiply
    38,111.80x = 52,594.68 × 21,116.56
  4. Step 4: Simplify right side
    38,111.80x = 1,110,618,715.90
  5. Step 5: Solve for x
    x = 1,110,618,715.90/38,111.80
  6. Step 6: Final answer
    x = 29,141.07

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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.