Home / 38,866.64-58,308.22-12,569.38

Finding the Fourth Proportional to 38,866.64, 58,308.22 and 12,569.38

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Solution

The fourth proportional to 38,866.64, 58,308.22 and 12,569.38 is: 18,856.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,866.64 : 58,308.22 = 12,569.38 : x
  2. Step 2: Convert to fraction form
    38,866.64/58,308.22 = 12,569.38/x
  3. Step 3: Cross multiply
    38,866.64x = 58,308.22 × 12,569.38
  4. Step 4: Simplify right side
    38,866.64x = 732,898,174.30
  5. Step 5: Solve for x
    x = 732,898,174.30/38,866.64
  6. Step 6: Final answer
    x = 18,856.74

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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.