Home / 43,318.10-64,985.25-13,727.99

Finding the Fourth Proportional to 43,318.10, 64,985.25 and 13,727.99

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Solution

The fourth proportional to 43,318.10, 64,985.25 and 13,727.99 is: 20,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.10 : 64,985.25 = 13,727.99 : x
  2. Step 2: Convert to fraction form
    43,318.10/64,985.25 = 13,727.99/x
  3. Step 3: Cross multiply
    43,318.10x = 64,985.25 × 13,727.99
  4. Step 4: Simplify right side
    43,318.10x = 892,116,648.20
  5. Step 5: Solve for x
    x = 892,116,648.20/43,318.10
  6. Step 6: Final answer
    x = 20,594.55

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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.