Home / 30,145.79-45,212.76-22,174.17

Finding the Fourth Proportional to 30,145.79, 45,212.76 and 22,174.17

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Solution

The fourth proportional to 30,145.79, 45,212.76 and 22,174.17 is: 33,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.79 : 45,212.76 = 22,174.17 : x
  2. Step 2: Convert to fraction form
    30,145.79/45,212.76 = 22,174.17/x
  3. Step 3: Cross multiply
    30,145.79x = 45,212.76 × 22,174.17
  4. Step 4: Simplify right side
    30,145.79x = 1,002,555,426.41
  5. Step 5: Solve for x
    x = 1,002,555,426.41/30,145.79
  6. Step 6: Final answer
    x = 33,256.90

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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.