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Finding the Fourth Proportional to 57,989.41, 80,024.92 and 53,228.58

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Solution

The fourth proportional to 57,989.41, 80,024.92 and 53,228.58 is: 73,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.41 : 80,024.92 = 53,228.58 : x
  2. Step 2: Convert to fraction form
    57,989.41/80,024.92 = 53,228.58/x
  3. Step 3: Cross multiply
    57,989.41x = 80,024.92 × 53,228.58
  4. Step 4: Simplify right side
    57,989.41x = 4,259,612,856.21
  5. Step 5: Solve for x
    x = 4,259,612,856.21/57,989.41
  6. Step 6: Final answer
    x = 73,455.01

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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.