Home / 39,887.91-59,838.98-13,235.50

Finding the Fourth Proportional to 39,887.91, 59,838.98 and 13,235.50

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Solution

The fourth proportional to 39,887.91, 59,838.98 and 13,235.50 is: 19,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887.91 : 59,838.98 = 13,235.50 : x
  2. Step 2: Convert to fraction form
    39,887.91/59,838.98 = 13,235.50/x
  3. Step 3: Cross multiply
    39,887.91x = 59,838.98 × 13,235.50
  4. Step 4: Simplify right side
    39,887.91x = 791,998,819.79
  5. Step 5: Solve for x
    x = 791,998,819.79/39,887.91
  6. Step 6: Final answer
    x = 19,855.61

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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.