Home / 65,313.24-97,955.10-31,999.80

Finding the Fourth Proportional to 65,313.24, 97,955.10 and 31,999.80

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Solution

The fourth proportional to 65,313.24, 97,955.10 and 31,999.80 is: 47,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,313.24 : 97,955.10 = 31,999.80 : x
  2. Step 2: Convert to fraction form
    65,313.24/97,955.10 = 31,999.80/x
  3. Step 3: Cross multiply
    65,313.24x = 97,955.10 × 31,999.80
  4. Step 4: Simplify right side
    65,313.24x = 3,134,543,608.98
  5. Step 5: Solve for x
    x = 3,134,543,608.98/65,313.24
  6. Step 6: Final answer
    x = 47,992.47

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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.