Home / 37,657.17-51,966.63-20,660.94

Finding the Fourth Proportional to 37,657.17, 51,966.63 and 20,660.94

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Solution

The fourth proportional to 37,657.17, 51,966.63 and 20,660.94 is: 28,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.17 : 51,966.63 = 20,660.94 : x
  2. Step 2: Convert to fraction form
    37,657.17/51,966.63 = 20,660.94/x
  3. Step 3: Cross multiply
    37,657.17x = 51,966.63 × 20,660.94
  4. Step 4: Simplify right side
    37,657.17x = 1,073,679,424.43
  5. Step 5: Solve for x
    x = 1,073,679,424.43/37,657.17
  6. Step 6: Final answer
    x = 28,511.95

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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.