Home / 42,996.87-64,485.66-18,065.07

Finding the Fourth Proportional to 42,996.87, 64,485.66 and 18,065.07

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Solution

The fourth proportional to 42,996.87, 64,485.66 and 18,065.07 is: 27,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,996.87 : 64,485.66 = 18,065.07 : x
  2. Step 2: Convert to fraction form
    42,996.87/64,485.66 = 18,065.07/x
  3. Step 3: Cross multiply
    42,996.87x = 64,485.66 × 18,065.07
  4. Step 4: Simplify right side
    42,996.87x = 1,164,937,961.90
  5. Step 5: Solve for x
    x = 1,164,937,961.90/42,996.87
  6. Step 6: Final answer
    x = 27,093.55

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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.