Home / 38,368.73-57,547.62-12,072.79

Finding the Fourth Proportional to 38,368.73, 57,547.62 and 12,072.79

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Solution

The fourth proportional to 38,368.73, 57,547.62 and 12,072.79 is: 18,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.73 : 57,547.62 = 12,072.79 : x
  2. Step 2: Convert to fraction form
    38,368.73/57,547.62 = 12,072.79/x
  3. Step 3: Cross multiply
    38,368.73x = 57,547.62 × 12,072.79
  4. Step 4: Simplify right side
    38,368.73x = 694,760,043.52
  5. Step 5: Solve for x
    x = 694,760,043.52/38,368.73
  6. Step 6: Final answer
    x = 18,107.45

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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.