Home / 43,206.38-64,813.06-13,227.20

Finding the Fourth Proportional to 43,206.38, 64,813.06 and 13,227.20

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Solution

The fourth proportional to 43,206.38, 64,813.06 and 13,227.20 is: 19,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,206.38 : 64,813.06 = 13,227.20 : x
  2. Step 2: Convert to fraction form
    43,206.38/64,813.06 = 13,227.20/x
  3. Step 3: Cross multiply
    43,206.38x = 64,813.06 × 13,227.20
  4. Step 4: Simplify right side
    43,206.38x = 857,295,307.23
  5. Step 5: Solve for x
    x = 857,295,307.23/43,206.38
  6. Step 6: Final answer
    x = 19,841.87

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1.5x scale

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.