Home / 33,386.40-50,006.70-20,215.80

Finding the Fourth Proportional to 33,386.40, 50,006.70 and 20,215.80

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Solution

The fourth proportional to 33,386.40, 50,006.70 and 20,215.80 is: 30,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.40 : 50,006.70 = 20,215.80 : x
  2. Step 2: Convert to fraction form
    33,386.40/50,006.70 = 20,215.80/x
  3. Step 3: Cross multiply
    33,386.40x = 50,006.70 × 20,215.80
  4. Step 4: Simplify right side
    33,386.40x = 1,010,925,445.86
  5. Step 5: Solve for x
    x = 1,010,925,445.86/33,386.40
  6. Step 6: Final answer
    x = 30,279.56

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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.