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Finding the Fourth Proportional to 58,371.52, 80,552.20 and 33,222.40

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Solution

The fourth proportional to 58,371.52, 80,552.20 and 33,222.40 is: 45,846.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,371.52 : 80,552.20 = 33,222.40 : x
  2. Step 2: Convert to fraction form
    58,371.52/80,552.20 = 33,222.40/x
  3. Step 3: Cross multiply
    58,371.52x = 80,552.20 × 33,222.40
  4. Step 4: Simplify right side
    58,371.52x = 2,676,137,409.28
  5. Step 5: Solve for x
    x = 2,676,137,409.28/58,371.52
  6. Step 6: Final answer
    x = 45,846.63

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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.