Home / 65,720.20-98,580.30-23,620.45

Finding the Fourth Proportional to 65,720.20, 98,580.30 and 23,620.45

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Solution

The fourth proportional to 65,720.20, 98,580.30 and 23,620.45 is: 35,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,720.20 : 98,580.30 = 23,620.45 : x
  2. Step 2: Convert to fraction form
    65,720.20/98,580.30 = 23,620.45/x
  3. Step 3: Cross multiply
    65,720.20x = 98,580.30 × 23,620.45
  4. Step 4: Simplify right side
    65,720.20x = 2,328,511,047.14
  5. Step 5: Solve for x
    x = 2,328,511,047.14/65,720.20
  6. Step 6: Final answer
    x = 35,430.68

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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.