Home / 61,029.79-91,557.76-18,908.94

Finding the Fourth Proportional to 61,029.79, 91,557.76 and 18,908.94

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Solution

The fourth proportional to 61,029.79, 91,557.76 and 18,908.94 is: 28,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,029.79 : 91,557.76 = 18,908.94 : x
  2. Step 2: Convert to fraction form
    61,029.79/91,557.76 = 18,908.94/x
  3. Step 3: Cross multiply
    61,029.79x = 91,557.76 × 18,908.94
  4. Step 4: Simplify right side
    61,029.79x = 1,731,259,935.98
  5. Step 5: Solve for x
    x = 1,731,259,935.98/61,029.79
  6. Step 6: Final answer
    x = 28,367.46

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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.