Home / 60,677.61-91,057.43-21,235.07

Finding the Fourth Proportional to 60,677.61, 91,057.43 and 21,235.07

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Solution

The fourth proportional to 60,677.61, 91,057.43 and 21,235.07 is: 31,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,677.61 : 91,057.43 = 21,235.07 : x
  2. Step 2: Convert to fraction form
    60,677.61/91,057.43 = 21,235.07/x
  3. Step 3: Cross multiply
    60,677.61x = 91,057.43 × 21,235.07
  4. Step 4: Simplify right side
    60,677.61x = 1,933,610,900.07
  5. Step 5: Solve for x
    x = 1,933,610,900.07/60,677.61
  6. Step 6: Final answer
    x = 31,866.96

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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.