Home / 34,823.48-52,235.10-12,636.80

Finding the Fourth Proportional to 34,823.48, 52,235.10 and 12,636.80

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Solution

The fourth proportional to 34,823.48, 52,235.10 and 12,636.80 is: 18,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,823.48 : 52,235.10 = 12,636.80 : x
  2. Step 2: Convert to fraction form
    34,823.48/52,235.10 = 12,636.80/x
  3. Step 3: Cross multiply
    34,823.48x = 52,235.10 × 12,636.80
  4. Step 4: Simplify right side
    34,823.48x = 660,084,511.68
  5. Step 5: Solve for x
    x = 660,084,511.68/34,823.48
  6. Step 6: Final answer
    x = 18,955.16

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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.