Home / 39,828.58-59,751.54-12,125.86

Finding the Fourth Proportional to 39,828.58, 59,751.54 and 12,125.86

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Solution

The fourth proportional to 39,828.58, 59,751.54 and 12,125.86 is: 18,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.58 : 59,751.54 = 12,125.86 : x
  2. Step 2: Convert to fraction form
    39,828.58/59,751.54 = 12,125.86/x
  3. Step 3: Cross multiply
    39,828.58x = 59,751.54 × 12,125.86
  4. Step 4: Simplify right side
    39,828.58x = 724,538,808.82
  5. Step 5: Solve for x
    x = 724,538,808.82/39,828.58
  6. Step 6: Final answer
    x = 18,191.43

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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.