Home / 20,005.30-30,004.51-7,524.01

Finding the Fourth Proportional to 20,005.30, 30,004.51 and 7,524.01

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Solution

The fourth proportional to 20,005.30, 30,004.51 and 7,524.01 is: 11,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.30 : 30,004.51 = 7,524.01 : x
  2. Step 2: Convert to fraction form
    20,005.30/30,004.51 = 7,524.01/x
  3. Step 3: Cross multiply
    20,005.30x = 30,004.51 × 7,524.01
  4. Step 4: Simplify right side
    20,005.30x = 225,754,233.29
  5. Step 5: Solve for x
    x = 225,754,233.29/20,005.30
  6. Step 6: Final answer
    x = 11,284.72

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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.