Home / 37,399.15-51,610.97-20,403.77

Finding the Fourth Proportional to 37,399.15, 51,610.97 and 20,403.77

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Solution

The fourth proportional to 37,399.15, 51,610.97 and 20,403.77 is: 28,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399.15 : 51,610.97 = 20,403.77 : x
  2. Step 2: Convert to fraction form
    37,399.15/51,610.97 = 20,403.77/x
  3. Step 3: Cross multiply
    37,399.15x = 51,610.97 × 20,403.77
  4. Step 4: Simplify right side
    37,399.15x = 1,053,058,259.34
  5. Step 5: Solve for x
    x = 1,053,058,259.34/37,399.15
  6. Step 6: Final answer
    x = 28,157.28

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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.