Home / 38,569.60-53,230.97-21,574.78

Finding the Fourth Proportional to 38,569.60, 53,230.97 and 21,574.78

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Solution

The fourth proportional to 38,569.60, 53,230.97 and 21,574.78 is: 29,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.60 : 53,230.97 = 21,574.78 : x
  2. Step 2: Convert to fraction form
    38,569.60/53,230.97 = 21,574.78/x
  3. Step 3: Cross multiply
    38,569.60x = 53,230.97 × 21,574.78
  4. Step 4: Simplify right side
    38,569.60x = 1,148,446,466.94
  5. Step 5: Solve for x
    x = 1,148,446,466.94/38,569.60
  6. Step 6: Final answer
    x = 29,775.95

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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.