Home / 39,919.85-59,847.30-14,945.91

Finding the Fourth Proportional to 39,919.85, 59,847.30 and 14,945.91

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Solution

The fourth proportional to 39,919.85, 59,847.30 and 14,945.91 is: 22,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.85 : 59,847.30 = 14,945.91 : x
  2. Step 2: Convert to fraction form
    39,919.85/59,847.30 = 14,945.91/x
  3. Step 3: Cross multiply
    39,919.85x = 59,847.30 × 14,945.91
  4. Step 4: Simplify right side
    39,919.85x = 894,471,985.58
  5. Step 5: Solve for x
    x = 894,471,985.58/39,919.85
  6. Step 6: Final answer
    x = 22,406.70

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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.