Home / 35,257.68-48,657.12-21,107.79

Finding the Fourth Proportional to 35,257.68, 48,657.12 and 21,107.79

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Solution

The fourth proportional to 35,257.68, 48,657.12 and 21,107.79 is: 29,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.68 : 48,657.12 = 21,107.79 : x
  2. Step 2: Convert to fraction form
    35,257.68/48,657.12 = 21,107.79/x
  3. Step 3: Cross multiply
    35,257.68x = 48,657.12 × 21,107.79
  4. Step 4: Simplify right side
    35,257.68x = 1,027,044,270.96
  5. Step 5: Solve for x
    x = 1,027,044,270.96/35,257.68
  6. Step 6: Final answer
    x = 29,129.66

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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.