Home / 20,036.08-30,056.85-8,346.56

Finding the Fourth Proportional to 20,036.08, 30,056.85 and 8,346.56

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Solution

The fourth proportional to 20,036.08, 30,056.85 and 8,346.56 is: 12,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.08 : 30,056.85 = 8,346.56 : x
  2. Step 2: Convert to fraction form
    20,036.08/30,056.85 = 8,346.56/x
  3. Step 3: Cross multiply
    20,036.08x = 30,056.85 × 8,346.56
  4. Step 4: Simplify right side
    20,036.08x = 250,871,377.08
  5. Step 5: Solve for x
    x = 250,871,377.08/20,036.08
  6. Step 6: Final answer
    x = 12,520.98

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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.