Home / 64,488.02-96,724.74-20,111

Finding the Fourth Proportional to 64,488.02, 96,724.74 and 20,111

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Solution

The fourth proportional to 64,488.02, 96,724.74 and 20,111 is: 30,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,488.02 : 96,724.74 = 20,111 : x
  2. Step 2: Convert to fraction form
    64,488.02/96,724.74 = 20,111/x
  3. Step 3: Cross multiply
    64,488.02x = 96,724.74 × 20,111
  4. Step 4: Simplify right side
    64,488.02x = 1,945,231,246.14
  5. Step 5: Solve for x
    x = 1,945,231,246.14/64,488.02
  6. Step 6: Final answer
    x = 30,164.23

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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.