Home / 37,166.76-51,289.78-20,399.40

Finding the Fourth Proportional to 37,166.76, 51,289.78 and 20,399.40

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Solution

The fourth proportional to 37,166.76, 51,289.78 and 20,399.40 is: 28,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,166.76 : 51,289.78 = 20,399.40 : x
  2. Step 2: Convert to fraction form
    37,166.76/51,289.78 = 20,399.40/x
  3. Step 3: Cross multiply
    37,166.76x = 51,289.78 × 20,399.40
  4. Step 4: Simplify right side
    37,166.76x = 1,046,280,738.13
  5. Step 5: Solve for x
    x = 1,046,280,738.13/37,166.76
  6. Step 6: Final answer
    x = 28,150.98

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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.