Home / 30,138.24-45,226.32-11,670.24

Finding the Fourth Proportional to 30,138.24, 45,226.32 and 11,670.24

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Solution

The fourth proportional to 30,138.24, 45,226.32 and 11,670.24 is: 17,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.24 : 45,226.32 = 11,670.24 : x
  2. Step 2: Convert to fraction form
    30,138.24/45,226.32 = 11,670.24/x
  3. Step 3: Cross multiply
    30,138.24x = 45,226.32 × 11,670.24
  4. Step 4: Simplify right side
    30,138.24x = 527,802,008.72
  5. Step 5: Solve for x
    x = 527,802,008.72/30,138.24
  6. Step 6: Final answer
    x = 17,512.70

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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.