Home / 30,163.17-45,248.58-11,449.74

Finding the Fourth Proportional to 30,163.17, 45,248.58 and 11,449.74

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Solution

The fourth proportional to 30,163.17, 45,248.58 and 11,449.74 is: 17,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.17 : 45,248.58 = 11,449.74 : x
  2. Step 2: Convert to fraction form
    30,163.17/45,248.58 = 11,449.74/x
  3. Step 3: Cross multiply
    30,163.17x = 45,248.58 × 11,449.74
  4. Step 4: Simplify right side
    30,163.17x = 518,084,476.37
  5. Step 5: Solve for x
    x = 518,084,476.37/30,163.17
  6. Step 6: Final answer
    x = 17,176.06

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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.