Home / 37,212-51,352.56-20,445.12

Finding the Fourth Proportional to 37,212, 51,352.56 and 20,445.12

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Solution

The fourth proportional to 37,212, 51,352.56 and 20,445.12 is: 28,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212 : 51,352.56 = 20,445.12 : x
  2. Step 2: Convert to fraction form
    37,212/51,352.56 = 20,445.12/x
  3. Step 3: Cross multiply
    37,212x = 51,352.56 × 20,445.12
  4. Step 4: Simplify right side
    37,212x = 1,049,909,251.51
  5. Step 5: Solve for x
    x = 1,049,909,251.51/37,212
  6. Step 6: Final answer
    x = 28,214.27

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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.