Home / 20,386.55-30,544.43-11,033.01

Finding the Fourth Proportional to 20,386.55, 30,544.43 and 11,033.01

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Solution

The fourth proportional to 20,386.55, 30,544.43 and 11,033.01 is: 16,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,386.55 : 30,544.43 = 11,033.01 : x
  2. Step 2: Convert to fraction form
    20,386.55/30,544.43 = 11,033.01/x
  3. Step 3: Cross multiply
    20,386.55x = 30,544.43 × 11,033.01
  4. Step 4: Simplify right side
    20,386.55x = 336,996,946.47
  5. Step 5: Solve for x
    x = 336,996,946.47/20,386.55
  6. Step 6: Final answer
    x = 16,530.35

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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.