Home / 30,238.66-45,362.85-10,522.81

Finding the Fourth Proportional to 30,238.66, 45,362.85 and 10,522.81

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Solution

The fourth proportional to 30,238.66, 45,362.85 and 10,522.81 is: 15,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.66 : 45,362.85 = 10,522.81 : x
  2. Step 2: Convert to fraction form
    30,238.66/45,362.85 = 10,522.81/x
  3. Step 3: Cross multiply
    30,238.66x = 45,362.85 × 10,522.81
  4. Step 4: Simplify right side
    30,238.66x = 477,344,651.61
  5. Step 5: Solve for x
    x = 477,344,651.61/30,238.66
  6. Step 6: Final answer
    x = 15,785.91

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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.