Home / 35,328.72-48,753.42-19,412.80

Finding the Fourth Proportional to 35,328.72, 48,753.42 and 19,412.80

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Solution

The fourth proportional to 35,328.72, 48,753.42 and 19,412.80 is: 26,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.72 : 48,753.42 = 19,412.80 : x
  2. Step 2: Convert to fraction form
    35,328.72/48,753.42 = 19,412.80/x
  3. Step 3: Cross multiply
    35,328.72x = 48,753.42 × 19,412.80
  4. Step 4: Simplify right side
    35,328.72x = 946,440,391.78
  5. Step 5: Solve for x
    x = 946,440,391.78/35,328.72
  6. Step 6: Final answer
    x = 26,789.55

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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.