Home / 56,340.38-84,485.01-21,255.14

Finding the Fourth Proportional to 56,340.38, 84,485.01 and 21,255.14

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Solution

The fourth proportional to 56,340.38, 84,485.01 and 21,255.14 is: 31,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,340.38 : 84,485.01 = 21,255.14 : x
  2. Step 2: Convert to fraction form
    56,340.38/84,485.01 = 21,255.14/x
  3. Step 3: Cross multiply
    56,340.38x = 84,485.01 × 21,255.14
  4. Step 4: Simplify right side
    56,340.38x = 1,795,740,715.45
  5. Step 5: Solve for x
    x = 1,795,740,715.45/56,340.38
  6. Step 6: Final answer
    x = 31,873.07

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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.