Home / 37,120.04-55,681.92-12,157.88

Finding the Fourth Proportional to 37,120.04, 55,681.92 and 12,157.88

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Solution

The fourth proportional to 37,120.04, 55,681.92 and 12,157.88 is: 18,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.04 : 55,681.92 = 12,157.88 : x
  2. Step 2: Convert to fraction form
    37,120.04/55,681.92 = 12,157.88/x
  3. Step 3: Cross multiply
    37,120.04x = 55,681.92 × 12,157.88
  4. Step 4: Simplify right side
    37,120.04x = 676,974,101.53
  5. Step 5: Solve for x
    x = 676,974,101.53/37,120.04
  6. Step 6: Final answer
    x = 18,237.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.