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Finding the Fourth Proportional to 58,686.87, 80,986.44 and 33,534.75

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Solution

The fourth proportional to 58,686.87, 80,986.44 and 33,534.75 is: 46,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,686.87 : 80,986.44 = 33,534.75 : x
  2. Step 2: Convert to fraction form
    58,686.87/80,986.44 = 33,534.75/x
  3. Step 3: Cross multiply
    58,686.87x = 80,986.44 × 33,534.75
  4. Step 4: Simplify right side
    58,686.87x = 2,715,860,018.79
  5. Step 5: Solve for x
    x = 2,715,860,018.79/58,686.87
  6. Step 6: Final answer
    x = 46,277.13

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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.