Home / 43,802.10-65,719.35-14,220.90

Finding the Fourth Proportional to 43,802.10, 65,719.35 and 14,220.90

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Solution

The fourth proportional to 43,802.10, 65,719.35 and 14,220.90 is: 21,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802.10 : 65,719.35 = 14,220.90 : x
  2. Step 2: Convert to fraction form
    43,802.10/65,719.35 = 14,220.90/x
  3. Step 3: Cross multiply
    43,802.10x = 65,719.35 × 14,220.90
  4. Step 4: Simplify right side
    43,802.10x = 934,588,304.42
  5. Step 5: Solve for x
    x = 934,588,304.42/43,802.10
  6. Step 6: Final answer
    x = 21,336.61

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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.