Home / 38,074.08-57,111.04-10,372

Finding the Fourth Proportional to 38,074.08, 57,111.04 and 10,372

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Solution

The fourth proportional to 38,074.08, 57,111.04 and 10,372 is: 15,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.08 : 57,111.04 = 10,372 : x
  2. Step 2: Convert to fraction form
    38,074.08/57,111.04 = 10,372/x
  3. Step 3: Cross multiply
    38,074.08x = 57,111.04 × 10,372
  4. Step 4: Simplify right side
    38,074.08x = 592,355,706.88
  5. Step 5: Solve for x
    x = 592,355,706.88/38,074.08
  6. Step 6: Final answer
    x = 15,557.98

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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.