Home / 49,820.08-74,750.10-20,240.20

Finding the Fourth Proportional to 49,820.08, 74,750.10 and 20,240.20

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Solution

The fourth proportional to 49,820.08, 74,750.10 and 20,240.20 is: 30,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.08 : 74,750.10 = 20,240.20 : x
  2. Step 2: Convert to fraction form
    49,820.08/74,750.10 = 20,240.20/x
  3. Step 3: Cross multiply
    49,820.08x = 74,750.10 × 20,240.20
  4. Step 4: Simplify right side
    49,820.08x = 1,512,956,974.02
  5. Step 5: Solve for x
    x = 1,512,956,974.02/49,820.08
  6. Step 6: Final answer
    x = 30,368.42

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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.