Home / 34,357.40-51,531.30-10,986.20

Finding the Fourth Proportional to 34,357.40, 51,531.30 and 10,986.20

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Solution

The fourth proportional to 34,357.40, 51,531.30 and 10,986.20 is: 16,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.40 : 51,531.30 = 10,986.20 : x
  2. Step 2: Convert to fraction form
    34,357.40/51,531.30 = 10,986.20/x
  3. Step 3: Cross multiply
    34,357.40x = 51,531.30 × 10,986.20
  4. Step 4: Simplify right side
    34,357.40x = 566,133,168.06
  5. Step 5: Solve for x
    x = 566,133,168.06/34,357.40
  6. Step 6: Final answer
    x = 16,477.77

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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.