Home / 37,966.55-52,393.57-20,970.71

Finding the Fourth Proportional to 37,966.55, 52,393.57 and 20,970.71

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Solution

The fourth proportional to 37,966.55, 52,393.57 and 20,970.71 is: 28,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,966.55 : 52,393.57 = 20,970.71 : x
  2. Step 2: Convert to fraction form
    37,966.55/52,393.57 = 20,970.71/x
  3. Step 3: Cross multiply
    37,966.55x = 52,393.57 × 20,970.71
  4. Step 4: Simplify right side
    37,966.55x = 1,098,730,406.56
  5. Step 5: Solve for x
    x = 1,098,730,406.56/37,966.55
  6. Step 6: Final answer
    x = 28,939.43

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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.