Home / 35,310.12-48,728.28-19,394.92

Finding the Fourth Proportional to 35,310.12, 48,728.28 and 19,394.92

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Solution

The fourth proportional to 35,310.12, 48,728.28 and 19,394.92 is: 26,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.12 : 48,728.28 = 19,394.92 : x
  2. Step 2: Convert to fraction form
    35,310.12/48,728.28 = 19,394.92/x
  3. Step 3: Cross multiply
    35,310.12x = 48,728.28 × 19,394.92
  4. Step 4: Simplify right side
    35,310.12x = 945,081,092.34
  5. Step 5: Solve for x
    x = 945,081,092.34/35,310.12
  6. Step 6: Final answer
    x = 26,765.16

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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.