Home / 47,331.48-65,300.90-30,345.08

Finding the Fourth Proportional to 47,331.48, 65,300.90 and 30,345.08

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Solution

The fourth proportional to 47,331.48, 65,300.90 and 30,345.08 is: 41,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,331.48 : 65,300.90 = 30,345.08 : x
  2. Step 2: Convert to fraction form
    47,331.48/65,300.90 = 30,345.08/x
  3. Step 3: Cross multiply
    47,331.48x = 65,300.90 × 30,345.08
  4. Step 4: Simplify right side
    47,331.48x = 1,981,561,034.57
  5. Step 5: Solve for x
    x = 1,981,561,034.57/47,331.48
  6. Step 6: Final answer
    x = 41,865.60

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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.