Home / 20,317.04-30,340.54-20,097.11

Finding the Fourth Proportional to 20,317.04, 30,340.54 and 20,097.11

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Solution

The fourth proportional to 20,317.04, 30,340.54 and 20,097.11 is: 30,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.04 : 30,340.54 = 20,097.11 : x
  2. Step 2: Convert to fraction form
    20,317.04/30,340.54 = 20,097.11/x
  3. Step 3: Cross multiply
    20,317.04x = 30,340.54 × 20,097.11
  4. Step 4: Simplify right side
    20,317.04x = 609,757,169.84
  5. Step 5: Solve for x
    x = 609,757,169.84/20,317.04
  6. Step 6: Final answer
    x = 30,012.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.