Home / 20,503.32-30,754.84-5,712.24

Finding the Fourth Proportional to 20,503.32, 30,754.84 and 5,712.24

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Solution

The fourth proportional to 20,503.32, 30,754.84 and 5,712.24 is: 8,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503.32 : 30,754.84 = 5,712.24 : x
  2. Step 2: Convert to fraction form
    20,503.32/30,754.84 = 5,712.24/x
  3. Step 3: Cross multiply
    20,503.32x = 30,754.84 × 5,712.24
  4. Step 4: Simplify right side
    20,503.32x = 175,679,027.24
  5. Step 5: Solve for x
    x = 175,679,027.24/20,503.32
  6. Step 6: Final answer
    x = 8,568.32

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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.