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Finding the Fourth Proportional to 39,393.96, 59,100.66 and 14,447.58

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Solution

The fourth proportional to 39,393.96, 59,100.66 and 14,447.58 is: 21,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.96 : 59,100.66 = 14,447.58 : x
  2. Step 2: Convert to fraction form
    39,393.96/59,100.66 = 14,447.58/x
  3. Step 3: Cross multiply
    39,393.96x = 59,100.66 × 14,447.58
  4. Step 4: Simplify right side
    39,393.96x = 853,861,513.40
  5. Step 5: Solve for x
    x = 853,861,513.40/39,393.96
  6. Step 6: Final answer
    x = 21,674.93

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1.5x scale

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.