Home / 39,877.18-59,725.10-30,920.74

Finding the Fourth Proportional to 39,877.18, 59,725.10 and 30,920.74

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Solution

The fourth proportional to 39,877.18, 59,725.10 and 30,920.74 is: 46,310.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877.18 : 59,725.10 = 30,920.74 : x
  2. Step 2: Convert to fraction form
    39,877.18/59,725.10 = 30,920.74/x
  3. Step 3: Cross multiply
    39,877.18x = 59,725.10 × 30,920.74
  4. Step 4: Simplify right side
    39,877.18x = 1,846,744,216.56
  5. Step 5: Solve for x
    x = 1,846,744,216.56/39,877.18
  6. Step 6: Final answer
    x = 46,310.81

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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.