Home / 30,251.81-45,377.94-10,530.32

Finding the Fourth Proportional to 30,251.81, 45,377.94 and 10,530.32

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Solution

The fourth proportional to 30,251.81, 45,377.94 and 10,530.32 is: 15,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.81 : 45,377.94 = 10,530.32 : x
  2. Step 2: Convert to fraction form
    30,251.81/45,377.94 = 10,530.32/x
  3. Step 3: Cross multiply
    30,251.81x = 45,377.94 × 10,530.32
  4. Step 4: Simplify right side
    30,251.81x = 477,844,002.25
  5. Step 5: Solve for x
    x = 477,844,002.25/30,251.81
  6. Step 6: Final answer
    x = 15,795.55

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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.