Home / 39,893.52-59,827.32-18,830.64

Finding the Fourth Proportional to 39,893.52, 59,827.32 and 18,830.64

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Solution

The fourth proportional to 39,893.52, 59,827.32 and 18,830.64 is: 28,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.52 : 59,827.32 = 18,830.64 : x
  2. Step 2: Convert to fraction form
    39,893.52/59,827.32 = 18,830.64/x
  3. Step 3: Cross multiply
    39,893.52x = 59,827.32 × 18,830.64
  4. Step 4: Simplify right side
    39,893.52x = 1,126,586,725.08
  5. Step 5: Solve for x
    x = 1,126,586,725.08/39,893.52
  6. Step 6: Final answer
    x = 28,239.84

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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.