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Finding the Fourth Proportional to 59,857.90, 82,602.37 and 32,999.78

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Solution

The fourth proportional to 59,857.90, 82,602.37 and 32,999.78 is: 45,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,857.90 : 82,602.37 = 32,999.78 : x
  2. Step 2: Convert to fraction form
    59,857.90/82,602.37 = 32,999.78/x
  3. Step 3: Cross multiply
    59,857.90x = 82,602.37 × 32,999.78
  4. Step 4: Simplify right side
    59,857.90x = 2,725,860,037.48
  5. Step 5: Solve for x
    x = 2,725,860,037.48/59,857.90
  6. Step 6: Final answer
    x = 45,538.85

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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.