Home / 48,421.44-72,660.12-20,339.04

Finding the Fourth Proportional to 48,421.44, 72,660.12 and 20,339.04

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Solution

The fourth proportional to 48,421.44, 72,660.12 and 20,339.04 is: 30,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.44 : 72,660.12 = 20,339.04 : x
  2. Step 2: Convert to fraction form
    48,421.44/72,660.12 = 20,339.04/x
  3. Step 3: Cross multiply
    48,421.44x = 72,660.12 × 20,339.04
  4. Step 4: Simplify right side
    48,421.44x = 1,477,837,087.08
  5. Step 5: Solve for x
    x = 1,477,837,087.08/48,421.44
  6. Step 6: Final answer
    x = 30,520.30

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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.