Home / 47,686.26-71,532.81-12,625.50

Finding the Fourth Proportional to 47,686.26, 71,532.81 and 12,625.50

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Solution

The fourth proportional to 47,686.26, 71,532.81 and 12,625.50 is: 18,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,686.26 : 71,532.81 = 12,625.50 : x
  2. Step 2: Convert to fraction form
    47,686.26/71,532.81 = 12,625.50/x
  3. Step 3: Cross multiply
    47,686.26x = 71,532.81 × 12,625.50
  4. Step 4: Simplify right side
    47,686.26x = 903,137,492.66
  5. Step 5: Solve for x
    x = 903,137,492.66/47,686.26
  6. Step 6: Final answer
    x = 18,939.16

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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.