Home / 39,890.24-59,835.52-12,188.16

Finding the Fourth Proportional to 39,890.24, 59,835.52 and 12,188.16

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Solution

The fourth proportional to 39,890.24, 59,835.52 and 12,188.16 is: 18,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,890.24 : 59,835.52 = 12,188.16 : x
  2. Step 2: Convert to fraction form
    39,890.24/59,835.52 = 12,188.16/x
  3. Step 3: Cross multiply
    39,890.24x = 59,835.52 × 12,188.16
  4. Step 4: Simplify right side
    39,890.24x = 729,284,891.44
  5. Step 5: Solve for x
    x = 729,284,891.44/39,890.24
  6. Step 6: Final answer
    x = 18,282.29

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1.5x scale

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.