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Finding the Fourth Proportional to 65,019.96, 97,533.31 and 20,650.18

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Solution

The fourth proportional to 65,019.96, 97,533.31 and 20,650.18 is: 30,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,019.96 : 97,533.31 = 20,650.18 : x
  2. Step 2: Convert to fraction form
    65,019.96/97,533.31 = 20,650.18/x
  3. Step 3: Cross multiply
    65,019.96x = 97,533.31 × 20,650.18
  4. Step 4: Simplify right side
    65,019.96x = 2,014,080,304.24
  5. Step 5: Solve for x
    x = 2,014,080,304.24/65,019.96
  6. Step 6: Final answer
    x = 30,976.34

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1.5x scale

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.