Home / 37,129.08-51,238.38-20,362.36

Finding the Fourth Proportional to 37,129.08, 51,238.38 and 20,362.36

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Solution

The fourth proportional to 37,129.08, 51,238.38 and 20,362.36 is: 28,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.08 : 51,238.38 = 20,362.36 : x
  2. Step 2: Convert to fraction form
    37,129.08/51,238.38 = 20,362.36/x
  3. Step 3: Cross multiply
    37,129.08x = 51,238.38 × 20,362.36
  4. Step 4: Simplify right side
    37,129.08x = 1,043,334,339.38
  5. Step 5: Solve for x
    x = 1,043,334,339.38/37,129.08
  6. Step 6: Final answer
    x = 28,100.19

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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.