Home / 48,157.92-72,225.24-20,078.34

Finding the Fourth Proportional to 48,157.92, 72,225.24 and 20,078.34

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Solution

The fourth proportional to 48,157.92, 72,225.24 and 20,078.34 is: 30,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,157.92 : 72,225.24 = 20,078.34 : x
  2. Step 2: Convert to fraction form
    48,157.92/72,225.24 = 20,078.34/x
  3. Step 3: Cross multiply
    48,157.92x = 72,225.24 × 20,078.34
  4. Step 4: Simplify right side
    48,157.92x = 1,450,162,925.30
  5. Step 5: Solve for x
    x = 1,450,162,925.30/48,157.92
  6. Step 6: Final answer
    x = 30,112.66

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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.