Home / 42,944.76-64,409.62-11,355.12

Finding the Fourth Proportional to 42,944.76, 64,409.62 and 11,355.12

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Solution

The fourth proportional to 42,944.76, 64,409.62 and 11,355.12 is: 17,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,944.76 : 64,409.62 = 11,355.12 : x
  2. Step 2: Convert to fraction form
    42,944.76/64,409.62 = 11,355.12/x
  3. Step 3: Cross multiply
    42,944.76x = 64,409.62 × 11,355.12
  4. Step 4: Simplify right side
    42,944.76x = 731,378,964.25
  5. Step 5: Solve for x
    x = 731,378,964.25/42,944.76
  6. Step 6: Final answer
    x = 17,030.69

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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.