Home / 37,657.95-51,966.21-20,661.81

Finding the Fourth Proportional to 37,657.95, 51,966.21 and 20,661.81

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Solution

The fourth proportional to 37,657.95, 51,966.21 and 20,661.81 is: 28,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.95 : 51,966.21 = 20,661.81 : x
  2. Step 2: Convert to fraction form
    37,657.95/51,966.21 = 20,661.81/x
  3. Step 3: Cross multiply
    37,657.95x = 51,966.21 × 20,661.81
  4. Step 4: Simplify right side
    37,657.95x = 1,073,715,957.44
  5. Step 5: Solve for x
    x = 1,073,715,957.44/37,657.95
  6. Step 6: Final answer
    x = 28,512.33

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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.