Home / 43,838.72-65,766.40-14,254.08

Finding the Fourth Proportional to 43,838.72, 65,766.40 and 14,254.08

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Solution

The fourth proportional to 43,838.72, 65,766.40 and 14,254.08 is: 21,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,838.72 : 65,766.40 = 14,254.08 : x
  2. Step 2: Convert to fraction form
    43,838.72/65,766.40 = 14,254.08/x
  3. Step 3: Cross multiply
    43,838.72x = 65,766.40 × 14,254.08
  4. Step 4: Simplify right side
    43,838.72x = 937,439,526.91
  5. Step 5: Solve for x
    x = 937,439,526.91/43,838.72
  6. Step 6: Final answer
    x = 21,383.83

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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.