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Finding the Fourth Proportional to 65,970.00, 98,952.52 and 19,221.66

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Solution

The fourth proportional to 65,970.00, 98,952.52 and 19,221.66 is: 28,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,970.00 : 98,952.52 = 19,221.66 : x
  2. Step 2: Convert to fraction form
    65,970.00/98,952.52 = 19,221.66/x
  3. Step 3: Cross multiply
    65,970.00x = 98,952.52 × 19,221.66
  4. Step 4: Simplify right side
    65,970.00x = 1,902,031,720.50
  5. Step 5: Solve for x
    x = 1,902,031,720.50/65,970.00
  6. Step 6: Final answer
    x = 28,831.77

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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.