Home / 61,289.50-84,523.35-39,756.82

Finding the Fourth Proportional to 61,289.50, 84,523.35 and 39,756.82

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Solution

The fourth proportional to 61,289.50, 84,523.35 and 39,756.82 is: 54,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.50 : 84,523.35 = 39,756.82 : x
  2. Step 2: Convert to fraction form
    61,289.50/84,523.35 = 39,756.82/x
  3. Step 3: Cross multiply
    61,289.50x = 84,523.35 × 39,756.82
  4. Step 4: Simplify right side
    61,289.50x = 3,360,379,611.75
  5. Step 5: Solve for x
    x = 3,360,379,611.75/61,289.50
  6. Step 6: Final answer
    x = 54,827.98

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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.