Home / 39,827.52-59,739.84-12,124.80

Finding the Fourth Proportional to 39,827.52, 59,739.84 and 12,124.80

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Solution

The fourth proportional to 39,827.52, 59,739.84 and 12,124.80 is: 18,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.52 : 59,739.84 = 12,124.80 : x
  2. Step 2: Convert to fraction form
    39,827.52/59,739.84 = 12,124.80/x
  3. Step 3: Cross multiply
    39,827.52x = 59,739.84 × 12,124.80
  4. Step 4: Simplify right side
    39,827.52x = 724,333,612.03
  5. Step 5: Solve for x
    x = 724,333,612.03/39,827.52
  6. Step 6: Final answer
    x = 18,186.76

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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.