Home / 20,622.30-30,933.93-5,040.06

Finding the Fourth Proportional to 20,622.30, 30,933.93 and 5,040.06

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Solution

The fourth proportional to 20,622.30, 30,933.93 and 5,040.06 is: 7,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.30 : 30,933.93 = 5,040.06 : x
  2. Step 2: Convert to fraction form
    20,622.30/30,933.93 = 5,040.06/x
  3. Step 3: Cross multiply
    20,622.30x = 30,933.93 × 5,040.06
  4. Step 4: Simplify right side
    20,622.30x = 155,908,863.24
  5. Step 5: Solve for x
    x = 155,908,863.24/20,622.30
  6. Step 6: Final answer
    x = 7,560.21

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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.