Home / 42,808.26-64,168.65-14,719.89

Finding the Fourth Proportional to 42,808.26, 64,168.65 and 14,719.89

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Solution

The fourth proportional to 42,808.26, 64,168.65 and 14,719.89 is: 22,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,808.26 : 64,168.65 = 14,719.89 : x
  2. Step 2: Convert to fraction form
    42,808.26/64,168.65 = 14,719.89/x
  3. Step 3: Cross multiply
    42,808.26x = 64,168.65 × 14,719.89
  4. Step 4: Simplify right side
    42,808.26x = 944,555,469.45
  5. Step 5: Solve for x
    x = 944,555,469.45/42,808.26
  6. Step 6: Final answer
    x = 22,064.79

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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.