Home / 30,049.35-45,077.15-11,345.15

Finding the Fourth Proportional to 30,049.35, 45,077.15 and 11,345.15

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Solution

The fourth proportional to 30,049.35, 45,077.15 and 11,345.15 is: 17,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.35 : 45,077.15 = 11,345.15 : x
  2. Step 2: Convert to fraction form
    30,049.35/45,077.15 = 11,345.15/x
  3. Step 3: Cross multiply
    30,049.35x = 45,077.15 × 11,345.15
  4. Step 4: Simplify right side
    30,049.35x = 511,407,028.32
  5. Step 5: Solve for x
    x = 511,407,028.32/30,049.35
  6. Step 6: Final answer
    x = 17,018.90

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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.