Home / 37,820.16-56,729.97-12,862.71

Finding the Fourth Proportional to 37,820.16, 56,729.97 and 12,862.71

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Solution

The fourth proportional to 37,820.16, 56,729.97 and 12,862.71 is: 19,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,820.16 : 56,729.97 = 12,862.71 : x
  2. Step 2: Convert to fraction form
    37,820.16/56,729.97 = 12,862.71/x
  3. Step 3: Cross multiply
    37,820.16x = 56,729.97 × 12,862.71
  4. Step 4: Simplify right side
    37,820.16x = 729,701,152.42
  5. Step 5: Solve for x
    x = 729,701,152.42/37,820.16
  6. Step 6: Final answer
    x = 19,293.97

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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.