Home / 30,115.62-45,176.51-10,394.12

Finding the Fourth Proportional to 30,115.62, 45,176.51 and 10,394.12

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Solution

The fourth proportional to 30,115.62, 45,176.51 and 10,394.12 is: 15,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,115.62 : 45,176.51 = 10,394.12 : x
  2. Step 2: Convert to fraction form
    30,115.62/45,176.51 = 10,394.12/x
  3. Step 3: Cross multiply
    30,115.62x = 45,176.51 × 10,394.12
  4. Step 4: Simplify right side
    30,115.62x = 469,570,066.12
  5. Step 5: Solve for x
    x = 469,570,066.12/30,115.62
  6. Step 6: Final answer
    x = 15,592.24

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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.