Home / 36,996.28-51,059.86-20,866.90

Finding the Fourth Proportional to 36,996.28, 51,059.86 and 20,866.90

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Solution

The fourth proportional to 36,996.28, 51,059.86 and 20,866.90 is: 28,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,996.28 : 51,059.86 = 20,866.90 : x
  2. Step 2: Convert to fraction form
    36,996.28/51,059.86 = 20,866.90/x
  3. Step 3: Cross multiply
    36,996.28x = 51,059.86 × 20,866.90
  4. Step 4: Simplify right side
    36,996.28x = 1,065,460,812.82
  5. Step 5: Solve for x
    x = 1,065,460,812.82/36,996.28
  6. Step 6: Final answer
    x = 28,799.14

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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.