Home / 30,370.84-45,561.62-10,375.66

Finding the Fourth Proportional to 30,370.84, 45,561.62 and 10,375.66

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Solution

The fourth proportional to 30,370.84, 45,561.62 and 10,375.66 is: 15,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.84 : 45,561.62 = 10,375.66 : x
  2. Step 2: Convert to fraction form
    30,370.84/45,561.62 = 10,375.66/x
  3. Step 3: Cross multiply
    30,370.84x = 45,561.62 × 10,375.66
  4. Step 4: Simplify right side
    30,370.84x = 472,731,878.17
  5. Step 5: Solve for x
    x = 472,731,878.17/30,370.84
  6. Step 6: Final answer
    x = 15,565.32

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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.