Home / 33,729.60-50,623.20-15,038.40

Finding the Fourth Proportional to 33,729.60, 50,623.20 and 15,038.40

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Solution

The fourth proportional to 33,729.60, 50,623.20 and 15,038.40 is: 22,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,729.60 : 50,623.20 = 15,038.40 : x
  2. Step 2: Convert to fraction form
    33,729.60/50,623.20 = 15,038.40/x
  3. Step 3: Cross multiply
    33,729.60x = 50,623.20 × 15,038.40
  4. Step 4: Simplify right side
    33,729.60x = 761,291,930.88
  5. Step 5: Solve for x
    x = 761,291,930.88/33,729.60
  6. Step 6: Final answer
    x = 22,570.44

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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.