Home / 20,224.08-30,341.88-7,079.76

Finding the Fourth Proportional to 20,224.08, 30,341.88 and 7,079.76

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Solution

The fourth proportional to 20,224.08, 30,341.88 and 7,079.76 is: 10,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.08 : 30,341.88 = 7,079.76 : x
  2. Step 2: Convert to fraction form
    20,224.08/30,341.88 = 7,079.76/x
  3. Step 3: Cross multiply
    20,224.08x = 30,341.88 × 7,079.76
  4. Step 4: Simplify right side
    20,224.08x = 214,813,228.35
  5. Step 5: Solve for x
    x = 214,813,228.35/20,224.08
  6. Step 6: Final answer
    x = 10,621.66

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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.