Home / 35,155.12-48,514.10-19,239.68

Finding the Fourth Proportional to 35,155.12, 48,514.10 and 19,239.68

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Solution

The fourth proportional to 35,155.12, 48,514.10 and 19,239.68 is: 26,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.12 : 48,514.10 = 19,239.68 : x
  2. Step 2: Convert to fraction form
    35,155.12/48,514.10 = 19,239.68/x
  3. Step 3: Cross multiply
    35,155.12x = 48,514.10 × 19,239.68
  4. Step 4: Simplify right side
    35,155.12x = 933,395,759.49
  5. Step 5: Solve for x
    x = 933,395,759.49/35,155.12
  6. Step 6: Final answer
    x = 26,550.78

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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.