Home / 30,272.11-45,412.13-10,002.13

Finding the Fourth Proportional to 30,272.11, 45,412.13 and 10,002.13

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Solution

The fourth proportional to 30,272.11, 45,412.13 and 10,002.13 is: 15,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.11 : 45,412.13 = 10,002.13 : x
  2. Step 2: Convert to fraction form
    30,272.11/45,412.13 = 10,002.13/x
  3. Step 3: Cross multiply
    30,272.11x = 45,412.13 × 10,002.13
  4. Step 4: Simplify right side
    30,272.11x = 454,218,027.84
  5. Step 5: Solve for x
    x = 454,218,027.84/30,272.11
  6. Step 6: Final answer
    x = 15,004.51

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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.