Home / 42,906.96-64,359.63-13,324.14

Finding the Fourth Proportional to 42,906.96, 64,359.63 and 13,324.14

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Solution

The fourth proportional to 42,906.96, 64,359.63 and 13,324.14 is: 19,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906.96 : 64,359.63 = 13,324.14 : x
  2. Step 2: Convert to fraction form
    42,906.96/64,359.63 = 13,324.14/x
  3. Step 3: Cross multiply
    42,906.96x = 64,359.63 × 13,324.14
  4. Step 4: Simplify right side
    42,906.96x = 857,536,720.47
  5. Step 5: Solve for x
    x = 857,536,720.47/42,906.96
  6. Step 6: Final answer
    x = 19,985.96

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1.5x scale

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.