Home / 39,917.60-59,881.02-13,265.97

Finding the Fourth Proportional to 39,917.60, 59,881.02 and 13,265.97

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Solution

The fourth proportional to 39,917.60, 59,881.02 and 13,265.97 is: 19,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.60 : 59,881.02 = 13,265.97 : x
  2. Step 2: Convert to fraction form
    39,917.60/59,881.02 = 13,265.97/x
  3. Step 3: Cross multiply
    39,917.60x = 59,881.02 × 13,265.97
  4. Step 4: Simplify right side
    39,917.60x = 794,379,814.89
  5. Step 5: Solve for x
    x = 794,379,814.89/39,917.60
  6. Step 6: Final answer
    x = 19,900.49

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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.