Home / 35,255.84-48,648.48-21,105.68

Finding the Fourth Proportional to 35,255.84, 48,648.48 and 21,105.68

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Solution

The fourth proportional to 35,255.84, 48,648.48 and 21,105.68 is: 29,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.84 : 48,648.48 = 21,105.68 : x
  2. Step 2: Convert to fraction form
    35,255.84/48,648.48 = 21,105.68/x
  3. Step 3: Cross multiply
    35,255.84x = 48,648.48 × 21,105.68
  4. Step 4: Simplify right side
    35,255.84x = 1,026,759,251.37
  5. Step 5: Solve for x
    x = 1,026,759,251.37/35,255.84
  6. Step 6: Final answer
    x = 29,123.10

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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.