Home / 65,667.24-98,516.44-21,294

Finding the Fourth Proportional to 65,667.24, 98,516.44 and 21,294

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Solution

The fourth proportional to 65,667.24, 98,516.44 and 21,294 is: 31,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,667.24 : 98,516.44 = 21,294 : x
  2. Step 2: Convert to fraction form
    65,667.24/98,516.44 = 21,294/x
  3. Step 3: Cross multiply
    65,667.24x = 98,516.44 × 21,294
  4. Step 4: Simplify right side
    65,667.24x = 2,097,809,073.36
  5. Step 5: Solve for x
    x = 2,097,809,073.36/65,667.24
  6. Step 6: Final answer
    x = 31,946.05

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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.