Home / 35,751.76-49,330.59-20,443.16

Finding the Fourth Proportional to 35,751.76, 49,330.59 and 20,443.16

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Solution

The fourth proportional to 35,751.76, 49,330.59 and 20,443.16 is: 28,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,751.76 : 49,330.59 = 20,443.16 : x
  2. Step 2: Convert to fraction form
    35,751.76/49,330.59 = 20,443.16/x
  3. Step 3: Cross multiply
    35,751.76x = 49,330.59 × 20,443.16
  4. Step 4: Simplify right side
    35,751.76x = 1,008,473,190.93
  5. Step 5: Solve for x
    x = 1,008,473,190.93/35,751.76
  6. Step 6: Final answer
    x = 28,207.65

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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.