Home / 38,043.78-57,066.58-13,085.09

Finding the Fourth Proportional to 38,043.78, 57,066.58 and 13,085.09

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Solution

The fourth proportional to 38,043.78, 57,066.58 and 13,085.09 is: 19,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.78 : 57,066.58 = 13,085.09 : x
  2. Step 2: Convert to fraction form
    38,043.78/57,066.58 = 13,085.09/x
  3. Step 3: Cross multiply
    38,043.78x = 57,066.58 × 13,085.09
  4. Step 4: Simplify right side
    38,043.78x = 746,721,527.71
  5. Step 5: Solve for x
    x = 746,721,527.71/38,043.78
  6. Step 6: Final answer
    x = 19,627.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.