Home / 36,511.90-50,386.71-20,159.62

Finding the Fourth Proportional to 36,511.90, 50,386.71 and 20,159.62

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Solution

The fourth proportional to 36,511.90, 50,386.71 and 20,159.62 is: 27,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.90 : 50,386.71 = 20,159.62 : x
  2. Step 2: Convert to fraction form
    36,511.90/50,386.71 = 20,159.62/x
  3. Step 3: Cross multiply
    36,511.90x = 50,386.71 × 20,159.62
  4. Step 4: Simplify right side
    36,511.90x = 1,015,776,926.65
  5. Step 5: Solve for x
    x = 1,015,776,926.65/36,511.90
  6. Step 6: Final answer
    x = 27,820.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.