Home / 43,801.02-65,711.25-12,636.27

Finding the Fourth Proportional to 43,801.02, 65,711.25 and 12,636.27

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Solution

The fourth proportional to 43,801.02, 65,711.25 and 12,636.27 is: 18,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,801.02 : 65,711.25 = 12,636.27 : x
  2. Step 2: Convert to fraction form
    43,801.02/65,711.25 = 12,636.27/x
  3. Step 3: Cross multiply
    43,801.02x = 65,711.25 × 12,636.27
  4. Step 4: Simplify right side
    43,801.02x = 830,345,097.04
  5. Step 5: Solve for x
    x = 830,345,097.04/43,801.02
  6. Step 6: Final answer
    x = 18,957.21

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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.