Home / 65,607.37-98,426.67-21,234.12

Finding the Fourth Proportional to 65,607.37, 98,426.67 and 21,234.12

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Solution

The fourth proportional to 65,607.37, 98,426.67 and 21,234.12 is: 31,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,607.37 : 98,426.67 = 21,234.12 : x
  2. Step 2: Convert to fraction form
    65,607.37/98,426.67 = 21,234.12/x
  3. Step 3: Cross multiply
    65,607.37x = 98,426.67 × 21,234.12
  4. Step 4: Simplify right side
    65,607.37x = 2,090,003,615.81
  5. Step 5: Solve for x
    x = 2,090,003,615.81/65,607.37
  6. Step 6: Final answer
    x = 31,856.23

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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.