Home / 39,835.15-59,715.82-13,521.44

Finding the Fourth Proportional to 39,835.15, 59,715.82 and 13,521.44

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Solution

The fourth proportional to 39,835.15, 59,715.82 and 13,521.44 is: 20,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.15 : 59,715.82 = 13,521.44 : x
  2. Step 2: Convert to fraction form
    39,835.15/59,715.82 = 13,521.44/x
  3. Step 3: Cross multiply
    39,835.15x = 59,715.82 × 13,521.44
  4. Step 4: Simplify right side
    39,835.15x = 807,443,631.41
  5. Step 5: Solve for x
    x = 807,443,631.41/39,835.15
  6. Step 6: Final answer
    x = 20,269.63

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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.