Home / 35,213.83-48,594.42-21,781.55

Finding the Fourth Proportional to 35,213.83, 48,594.42 and 21,781.55

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Solution

The fourth proportional to 35,213.83, 48,594.42 and 21,781.55 is: 30,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,213.83 : 48,594.42 = 21,781.55 : x
  2. Step 2: Convert to fraction form
    35,213.83/48,594.42 = 21,781.55/x
  3. Step 3: Cross multiply
    35,213.83x = 48,594.42 × 21,781.55
  4. Step 4: Simplify right side
    35,213.83x = 1,058,461,910.44
  5. Step 5: Solve for x
    x = 1,058,461,910.44/35,213.83
  6. Step 6: Final answer
    x = 30,058.13

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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.