Home / 35,149.15-48,505.23-21,535.09

Finding the Fourth Proportional to 35,149.15, 48,505.23 and 21,535.09

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Solution

The fourth proportional to 35,149.15, 48,505.23 and 21,535.09 is: 29,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,149.15 : 48,505.23 = 21,535.09 : x
  2. Step 2: Convert to fraction form
    35,149.15/48,505.23 = 21,535.09/x
  3. Step 3: Cross multiply
    35,149.15x = 48,505.23 × 21,535.09
  4. Step 4: Simplify right side
    35,149.15x = 1,044,564,493.52
  5. Step 5: Solve for x
    x = 1,044,564,493.52/35,149.15
  6. Step 6: Final answer
    x = 29,718.06

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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.