Home / 38,685.11-53,037.78-37,985.27

Finding the Fourth Proportional to 38,685.11, 53,037.78 and 37,985.27

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Solution

The fourth proportional to 38,685.11, 53,037.78 and 37,985.27 is: 52,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685.11 : 53,037.78 = 37,985.27 : x
  2. Step 2: Convert to fraction form
    38,685.11/53,037.78 = 37,985.27/x
  3. Step 3: Cross multiply
    38,685.11x = 53,037.78 × 37,985.27
  4. Step 4: Simplify right side
    38,685.11x = 2,014,653,985.87
  5. Step 5: Solve for x
    x = 2,014,653,985.87/38,685.11
  6. Step 6: Final answer
    x = 52,078.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.