Home / 39,867.45-59,815.70-18,530.02

Finding the Fourth Proportional to 39,867.45, 59,815.70 and 18,530.02

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Solution

The fourth proportional to 39,867.45, 59,815.70 and 18,530.02 is: 27,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.45 : 59,815.70 = 18,530.02 : x
  2. Step 2: Convert to fraction form
    39,867.45/59,815.70 = 18,530.02/x
  3. Step 3: Cross multiply
    39,867.45x = 59,815.70 × 18,530.02
  4. Step 4: Simplify right side
    39,867.45x = 1,108,386,117.31
  5. Step 5: Solve for x
    x = 1,108,386,117.31/39,867.45
  6. Step 6: Final answer
    x = 27,801.78

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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.