Home / 65,346.22-98,013.84-20,960.92

Finding the Fourth Proportional to 65,346.22, 98,013.84 and 20,960.92

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Solution

The fourth proportional to 65,346.22, 98,013.84 and 20,960.92 is: 31,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,346.22 : 98,013.84 = 20,960.92 : x
  2. Step 2: Convert to fraction form
    65,346.22/98,013.84 = 20,960.92/x
  3. Step 3: Cross multiply
    65,346.22x = 98,013.84 × 20,960.92
  4. Step 4: Simplify right side
    65,346.22x = 2,054,460,259.13
  5. Step 5: Solve for x
    x = 2,054,460,259.13/65,346.22
  6. Step 6: Final answer
    x = 31,439.62

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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.