Home / 36,448.90-50,299.25-20,538.47

Finding the Fourth Proportional to 36,448.90, 50,299.25 and 20,538.47

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Solution

The fourth proportional to 36,448.90, 50,299.25 and 20,538.47 is: 28,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,448.90 : 50,299.25 = 20,538.47 : x
  2. Step 2: Convert to fraction form
    36,448.90/50,299.25 = 20,538.47/x
  3. Step 3: Cross multiply
    36,448.90x = 50,299.25 × 20,538.47
  4. Step 4: Simplify right side
    36,448.90x = 1,033,069,637.15
  5. Step 5: Solve for x
    x = 1,033,069,637.15/36,448.90
  6. Step 6: Final answer
    x = 28,342.96

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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.