Home / 20,318.04-30,342.03-20,098.11

Finding the Fourth Proportional to 20,318.04, 30,342.03 and 20,098.11

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Solution

The fourth proportional to 20,318.04, 30,342.03 and 20,098.11 is: 30,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,318.04 : 30,342.03 = 20,098.11 : x
  2. Step 2: Convert to fraction form
    20,318.04/30,342.03 = 20,098.11/x
  3. Step 3: Cross multiply
    20,318.04x = 30,342.03 × 20,098.11
  4. Step 4: Simplify right side
    20,318.04x = 609,817,456.56
  5. Step 5: Solve for x
    x = 609,817,456.56/20,318.04
  6. Step 6: Final answer
    x = 30,013.60

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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.