Home / 37,147.13-51,263.93-20,380.13

Finding the Fourth Proportional to 37,147.13, 51,263.93 and 20,380.13

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Solution

The fourth proportional to 37,147.13, 51,263.93 and 20,380.13 is: 28,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.13 : 51,263.93 = 20,380.13 : x
  2. Step 2: Convert to fraction form
    37,147.13/51,263.93 = 20,380.13/x
  3. Step 3: Cross multiply
    37,147.13x = 51,263.93 × 20,380.13
  4. Step 4: Simplify right side
    37,147.13x = 1,044,765,352.34
  5. Step 5: Solve for x
    x = 1,044,765,352.34/37,147.13
  6. Step 6: Final answer
    x = 28,125.07

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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.