Home / 37,129.56-51,238.86-20,362.68

Finding the Fourth Proportional to 37,129.56, 51,238.86 and 20,362.68

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Solution

The fourth proportional to 37,129.56, 51,238.86 and 20,362.68 is: 28,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.56 : 51,238.86 = 20,362.68 : x
  2. Step 2: Convert to fraction form
    37,129.56/51,238.86 = 20,362.68/x
  3. Step 3: Cross multiply
    37,129.56x = 51,238.86 × 20,362.68
  4. Step 4: Simplify right side
    37,129.56x = 1,043,360,509.74
  5. Step 5: Solve for x
    x = 1,043,360,509.74/37,129.56
  6. Step 6: Final answer
    x = 28,100.54

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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.