Home / 33,378.08-50,064.55-20,730.40

Finding the Fourth Proportional to 33,378.08, 50,064.55 and 20,730.40

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Solution

The fourth proportional to 33,378.08, 50,064.55 and 20,730.40 is: 31,094.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.08 : 50,064.55 = 20,730.40 : x
  2. Step 2: Convert to fraction form
    33,378.08/50,064.55 = 20,730.40/x
  3. Step 3: Cross multiply
    33,378.08x = 50,064.55 × 20,730.40
  4. Step 4: Simplify right side
    33,378.08x = 1,037,857,970.33
  5. Step 5: Solve for x
    x = 1,037,857,970.33/33,378.08
  6. Step 6: Final answer
    x = 31,094.00

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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.