Home / 48,044.72-66,302.79-30,140.48

Finding the Fourth Proportional to 48,044.72, 66,302.79 and 30,140.48

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Solution

The fourth proportional to 48,044.72, 66,302.79 and 30,140.48 is: 41,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,044.72 : 66,302.79 = 30,140.48 : x
  2. Step 2: Convert to fraction form
    48,044.72/66,302.79 = 30,140.48/x
  3. Step 3: Cross multiply
    48,044.72x = 66,302.79 × 30,140.48
  4. Step 4: Simplify right side
    48,044.72x = 1,998,397,915.94
  5. Step 5: Solve for x
    x = 1,998,397,915.94/48,044.72
  6. Step 6: Final answer
    x = 41,594.54

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1.5x scale

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.