Home / 65,360.35-98,031.27-20,981.26

Finding the Fourth Proportional to 65,360.35, 98,031.27 and 20,981.26

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Solution

The fourth proportional to 65,360.35, 98,031.27 and 20,981.26 is: 31,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,360.35 : 98,031.27 = 20,981.26 : x
  2. Step 2: Convert to fraction form
    65,360.35/98,031.27 = 20,981.26/x
  3. Step 3: Cross multiply
    65,360.35x = 98,031.27 × 20,981.26
  4. Step 4: Simplify right side
    65,360.35x = 2,056,819,564.00
  5. Step 5: Solve for x
    x = 2,056,819,564.00/65,360.35
  6. Step 6: Final answer
    x = 31,468.92

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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.