Home / 30,091.04-45,142.11-10,098.56

Finding the Fourth Proportional to 30,091.04, 45,142.11 and 10,098.56

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Solution

The fourth proportional to 30,091.04, 45,142.11 and 10,098.56 is: 15,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.04 : 45,142.11 = 10,098.56 : x
  2. Step 2: Convert to fraction form
    30,091.04/45,142.11 = 10,098.56/x
  3. Step 3: Cross multiply
    30,091.04x = 45,142.11 × 10,098.56
  4. Step 4: Simplify right side
    30,091.04x = 455,870,306.36
  5. Step 5: Solve for x
    x = 455,870,306.36/30,091.04
  6. Step 6: Final answer
    x = 15,149.70

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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.