Home / 43,436-65,154.27-12,271.52

Finding the Fourth Proportional to 43,436, 65,154.27 and 12,271.52

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Solution

The fourth proportional to 43,436, 65,154.27 and 12,271.52 is: 18,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,436 : 65,154.27 = 12,271.52 : x
  2. Step 2: Convert to fraction form
    43,436/65,154.27 = 12,271.52/x
  3. Step 3: Cross multiply
    43,436x = 65,154.27 × 12,271.52
  4. Step 4: Simplify right side
    43,436x = 799,541,927.39
  5. Step 5: Solve for x
    x = 799,541,927.39/43,436
  6. Step 6: Final answer
    x = 18,407.36

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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.