Home / 48,009.16-71,994.48-19,910.12

Finding the Fourth Proportional to 48,009.16, 71,994.48 and 19,910.12

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Solution

The fourth proportional to 48,009.16, 71,994.48 and 19,910.12 is: 29,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.16 : 71,994.48 = 19,910.12 : x
  2. Step 2: Convert to fraction form
    48,009.16/71,994.48 = 19,910.12/x
  3. Step 3: Cross multiply
    48,009.16x = 71,994.48 × 19,910.12
  4. Step 4: Simplify right side
    48,009.16x = 1,433,418,736.14
  5. Step 5: Solve for x
    x = 1,433,418,736.14/48,009.16
  6. Step 6: Final answer
    x = 29,857.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.