Home / 33,432.72-50,133.36-12,358.20

Finding the Fourth Proportional to 33,432.72, 50,133.36 and 12,358.20

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Solution

The fourth proportional to 33,432.72, 50,133.36 and 12,358.20 is: 18,531.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,432.72 : 50,133.36 = 12,358.20 : x
  2. Step 2: Convert to fraction form
    33,432.72/50,133.36 = 12,358.20/x
  3. Step 3: Cross multiply
    33,432.72x = 50,133.36 × 12,358.20
  4. Step 4: Simplify right side
    33,432.72x = 619,558,089.55
  5. Step 5: Solve for x
    x = 619,558,089.55/33,432.72
  6. Step 6: Final answer
    x = 18,531.49

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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.