Home / 39,558.98-59,343.12-13,905.47

Finding the Fourth Proportional to 39,558.98, 59,343.12 and 13,905.47

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Solution

The fourth proportional to 39,558.98, 59,343.12 and 13,905.47 is: 20,859.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.98 : 59,343.12 = 13,905.47 : x
  2. Step 2: Convert to fraction form
    39,558.98/59,343.12 = 13,905.47/x
  3. Step 3: Cross multiply
    39,558.98x = 59,343.12 × 13,905.47
  4. Step 4: Simplify right side
    39,558.98x = 825,194,123.22
  5. Step 5: Solve for x
    x = 825,194,123.22/39,558.98
  6. Step 6: Final answer
    x = 20,859.84

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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.