Home / 35,258.68-48,658.50-21,108.79

Finding the Fourth Proportional to 35,258.68, 48,658.50 and 21,108.79

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Solution

The fourth proportional to 35,258.68, 48,658.50 and 21,108.79 is: 29,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.68 : 48,658.50 = 21,108.79 : x
  2. Step 2: Convert to fraction form
    35,258.68/48,658.50 = 21,108.79/x
  3. Step 3: Cross multiply
    35,258.68x = 48,658.50 × 21,108.79
  4. Step 4: Simplify right side
    35,258.68x = 1,027,122,058.22
  5. Step 5: Solve for x
    x = 1,027,122,058.22/35,258.68
  6. Step 6: Final answer
    x = 29,131.04

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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.