Home / 30,166.56-45,239.04-10,439.82

Finding the Fourth Proportional to 30,166.56, 45,239.04 and 10,439.82

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Solution

The fourth proportional to 30,166.56, 45,239.04 and 10,439.82 is: 15,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.56 : 45,239.04 = 10,439.82 : x
  2. Step 2: Convert to fraction form
    30,166.56/45,239.04 = 10,439.82/x
  3. Step 3: Cross multiply
    30,166.56x = 45,239.04 × 10,439.82
  4. Step 4: Simplify right side
    30,166.56x = 472,287,434.57
  5. Step 5: Solve for x
    x = 472,287,434.57/30,166.56
  6. Step 6: Final answer
    x = 15,655.99

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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.