Home / 30,269.88-45,395.18-10,002.87

Finding the Fourth Proportional to 30,269.88, 45,395.18 and 10,002.87

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Solution

The fourth proportional to 30,269.88, 45,395.18 and 10,002.87 is: 15,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.88 : 45,395.18 = 10,002.87 : x
  2. Step 2: Convert to fraction form
    30,269.88/45,395.18 = 10,002.87/x
  3. Step 3: Cross multiply
    30,269.88x = 45,395.18 × 10,002.87
  4. Step 4: Simplify right side
    30,269.88x = 454,081,891.01
  5. Step 5: Solve for x
    x = 454,081,891.01/30,269.88
  6. Step 6: Final answer
    x = 15,001.11

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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.