Home / 37,785.15-52,143.95-21,652.14

Finding the Fourth Proportional to 37,785.15, 52,143.95 and 21,652.14

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Solution

The fourth proportional to 37,785.15, 52,143.95 and 21,652.14 is: 29,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,785.15 : 52,143.95 = 21,652.14 : x
  2. Step 2: Convert to fraction form
    37,785.15/52,143.95 = 21,652.14/x
  3. Step 3: Cross multiply
    37,785.15x = 52,143.95 × 21,652.14
  4. Step 4: Simplify right side
    37,785.15x = 1,129,027,997.29
  5. Step 5: Solve for x
    x = 1,129,027,997.29/37,785.15
  6. Step 6: Final answer
    x = 29,880.20

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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.