Home / 38,009.10-57,013.65-10,307.10

Finding the Fourth Proportional to 38,009.10, 57,013.65 and 10,307.10

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Solution

The fourth proportional to 38,009.10, 57,013.65 and 10,307.10 is: 15,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.10 : 57,013.65 = 10,307.10 : x
  2. Step 2: Convert to fraction form
    38,009.10/57,013.65 = 10,307.10/x
  3. Step 3: Cross multiply
    38,009.10x = 57,013.65 × 10,307.10
  4. Step 4: Simplify right side
    38,009.10x = 587,645,391.92
  5. Step 5: Solve for x
    x = 587,645,391.92/38,009.10
  6. Step 6: Final answer
    x = 15,460.65

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Similar ratio
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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.