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Finding the Fourth Proportional to 58,652.92, 80,922 and 33,156.82

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Solution

The fourth proportional to 58,652.92, 80,922 and 33,156.82 is: 45,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,652.92 : 80,922 = 33,156.82 : x
  2. Step 2: Convert to fraction form
    58,652.92/80,922 = 33,156.82/x
  3. Step 3: Cross multiply
    58,652.92x = 80,922 × 33,156.82
  4. Step 4: Simplify right side
    58,652.92x = 2,683,116,188.04
  5. Step 5: Solve for x
    x = 2,683,116,188.04/58,652.92
  6. Step 6: Final answer
    x = 45,745.65

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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.