Home / 37,610.80-51,900.85-20,615.07

Finding the Fourth Proportional to 37,610.80, 51,900.85 and 20,615.07

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Solution

The fourth proportional to 37,610.80, 51,900.85 and 20,615.07 is: 28,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,610.80 : 51,900.85 = 20,615.07 : x
  2. Step 2: Convert to fraction form
    37,610.80/51,900.85 = 20,615.07/x
  3. Step 3: Cross multiply
    37,610.80x = 51,900.85 × 20,615.07
  4. Step 4: Simplify right side
    37,610.80x = 1,069,939,876.21
  5. Step 5: Solve for x
    x = 1,069,939,876.21/37,610.80
  6. Step 6: Final answer
    x = 28,447.68

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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.