Home / 49,803.60-74,705.40-18,213.60

Finding the Fourth Proportional to 49,803.60, 74,705.40 and 18,213.60

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Solution

The fourth proportional to 49,803.60, 74,705.40 and 18,213.60 is: 27,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,803.60 : 74,705.40 = 18,213.60 : x
  2. Step 2: Convert to fraction form
    49,803.60/74,705.40 = 18,213.60/x
  3. Step 3: Cross multiply
    49,803.60x = 74,705.40 × 18,213.60
  4. Step 4: Simplify right side
    49,803.60x = 1,360,654,273.44
  5. Step 5: Solve for x
    x = 1,360,654,273.44/49,803.60
  6. Step 6: Final answer
    x = 27,320.40

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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.