Home / 37,386.56-51,593.25-20,390.48

Finding the Fourth Proportional to 37,386.56, 51,593.25 and 20,390.48

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Solution

The fourth proportional to 37,386.56, 51,593.25 and 20,390.48 is: 28,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,386.56 : 51,593.25 = 20,390.48 : x
  2. Step 2: Convert to fraction form
    37,386.56/51,593.25 = 20,390.48/x
  3. Step 3: Cross multiply
    37,386.56x = 51,593.25 × 20,390.48
  4. Step 4: Simplify right side
    37,386.56x = 1,052,011,132.26
  5. Step 5: Solve for x
    x = 1,052,011,132.26/37,386.56
  6. Step 6: Final answer
    x = 28,138.75

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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.