Home / 38,776.32-58,181.76-20,304

Finding the Fourth Proportional to 38,776.32, 58,181.76 and 20,304

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Solution

The fourth proportional to 38,776.32, 58,181.76 and 20,304 is: 30,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.32 : 58,181.76 = 20,304 : x
  2. Step 2: Convert to fraction form
    38,776.32/58,181.76 = 20,304/x
  3. Step 3: Cross multiply
    38,776.32x = 58,181.76 × 20,304
  4. Step 4: Simplify right side
    38,776.32x = 1,181,322,455.04
  5. Step 5: Solve for x
    x = 1,181,322,455.04/38,776.32
  6. Step 6: Final answer
    x = 30,465.05

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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.