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Finding the Fourth Proportional to 59,212.94, 88,866.54 and 31,149.36

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Solution

The fourth proportional to 59,212.94, 88,866.54 and 31,149.36 is: 46,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,212.94 : 88,866.54 = 31,149.36 : x
  2. Step 2: Convert to fraction form
    59,212.94/88,866.54 = 31,149.36/x
  3. Step 3: Cross multiply
    59,212.94x = 88,866.54 × 31,149.36
  4. Step 4: Simplify right side
    59,212.94x = 2,768,135,846.41
  5. Step 5: Solve for x
    x = 2,768,135,846.41/59,212.94
  6. Step 6: Final answer
    x = 46,748.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.