Home / 30,112.08-45,177.24-11,397.84

Finding the Fourth Proportional to 30,112.08, 45,177.24 and 11,397.84

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Solution

The fourth proportional to 30,112.08, 45,177.24 and 11,397.84 is: 17,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.08 : 45,177.24 = 11,397.84 : x
  2. Step 2: Convert to fraction form
    30,112.08/45,177.24 = 11,397.84/x
  3. Step 3: Cross multiply
    30,112.08x = 45,177.24 × 11,397.84
  4. Step 4: Simplify right side
    30,112.08x = 514,922,953.16
  5. Step 5: Solve for x
    x = 514,922,953.16/30,112.08
  6. Step 6: Final answer
    x = 17,100.21

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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.