Home / 48,700.20-73,050.30-20,998.20

Finding the Fourth Proportional to 48,700.20, 73,050.30 and 20,998.20

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Solution

The fourth proportional to 48,700.20, 73,050.30 and 20,998.20 is: 31,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,700.20 : 73,050.30 = 20,998.20 : x
  2. Step 2: Convert to fraction form
    48,700.20/73,050.30 = 20,998.20/x
  3. Step 3: Cross multiply
    48,700.20x = 73,050.30 × 20,998.20
  4. Step 4: Simplify right side
    48,700.20x = 1,533,924,809.46
  5. Step 5: Solve for x
    x = 1,533,924,809.46/48,700.20
  6. Step 6: Final answer
    x = 31,497.30

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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.