Home / 42,967.14-64,450.70-13,387.36

Finding the Fourth Proportional to 42,967.14, 64,450.70 and 13,387.36

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Solution

The fourth proportional to 42,967.14, 64,450.70 and 13,387.36 is: 20,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967.14 : 64,450.70 = 13,387.36 : x
  2. Step 2: Convert to fraction form
    42,967.14/64,450.70 = 13,387.36/x
  3. Step 3: Cross multiply
    42,967.14x = 64,450.70 × 13,387.36
  4. Step 4: Simplify right side
    42,967.14x = 862,824,723.15
  5. Step 5: Solve for x
    x = 862,824,723.15/42,967.14
  6. Step 6: Final answer
    x = 20,081.04

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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.