Home / 38,557.74-53,200.66-21,788.46

Finding the Fourth Proportional to 38,557.74, 53,200.66 and 21,788.46

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Solution

The fourth proportional to 38,557.74, 53,200.66 and 21,788.46 is: 30,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.74 : 53,200.66 = 21,788.46 : x
  2. Step 2: Convert to fraction form
    38,557.74/53,200.66 = 21,788.46/x
  3. Step 3: Cross multiply
    38,557.74x = 53,200.66 × 21,788.46
  4. Step 4: Simplify right side
    38,557.74x = 1,159,160,452.38
  5. Step 5: Solve for x
    x = 1,159,160,452.38/38,557.74
  6. Step 6: Final answer
    x = 30,062.98

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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.