Home / 20,472.02-30,708.02-5,680.94

Finding the Fourth Proportional to 20,472.02, 30,708.02 and 5,680.94

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Solution

The fourth proportional to 20,472.02, 30,708.02 and 5,680.94 is: 8,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472.02 : 30,708.02 = 5,680.94 : x
  2. Step 2: Convert to fraction form
    20,472.02/30,708.02 = 5,680.94/x
  3. Step 3: Cross multiply
    20,472.02x = 30,708.02 × 5,680.94
  4. Step 4: Simplify right side
    20,472.02x = 174,450,419.14
  5. Step 5: Solve for x
    x = 174,450,419.14/20,472.02
  6. Step 6: Final answer
    x = 8,521.41

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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.