Home / 20,005.02-30,012.39-5,964.48

Finding the Fourth Proportional to 20,005.02, 30,012.39 and 5,964.48

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Solution

The fourth proportional to 20,005.02, 30,012.39 and 5,964.48 is: 8,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.02 : 30,012.39 = 5,964.48 : x
  2. Step 2: Convert to fraction form
    20,005.02/30,012.39 = 5,964.48/x
  3. Step 3: Cross multiply
    20,005.02x = 30,012.39 × 5,964.48
  4. Step 4: Simplify right side
    20,005.02x = 179,008,299.91
  5. Step 5: Solve for x
    x = 179,008,299.91/20,005.02
  6. Step 6: Final answer
    x = 8,948.17

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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.