Home / 65,610.58-98,431.49-21,237.34

Finding the Fourth Proportional to 65,610.58, 98,431.49 and 21,237.34

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Solution

The fourth proportional to 65,610.58, 98,431.49 and 21,237.34 is: 31,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610.58 : 98,431.49 = 21,237.34 : x
  2. Step 2: Convert to fraction form
    65,610.58/98,431.49 = 21,237.34/x
  3. Step 3: Cross multiply
    65,610.58x = 98,431.49 × 21,237.34
  4. Step 4: Simplify right side
    65,610.58x = 2,090,423,019.84
  5. Step 5: Solve for x
    x = 2,090,423,019.84/65,610.58
  6. Step 6: Final answer
    x = 31,861.07

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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.