Home / 37,117.34-55,679.20-12,157.29

Finding the Fourth Proportional to 37,117.34, 55,679.20 and 12,157.29

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Solution

The fourth proportional to 37,117.34, 55,679.20 and 12,157.29 is: 18,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.34 : 55,679.20 = 12,157.29 : x
  2. Step 2: Convert to fraction form
    37,117.34/55,679.20 = 12,157.29/x
  3. Step 3: Cross multiply
    37,117.34x = 55,679.20 × 12,157.29
  4. Step 4: Simplify right side
    37,117.34x = 676,908,150.97
  5. Step 5: Solve for x
    x = 676,908,150.97/37,117.34
  6. Step 6: Final answer
    x = 18,236.98

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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.