Home / 65,501.09-98,169.48-28,017.16

Finding the Fourth Proportional to 65,501.09, 98,169.48 and 28,017.16

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Solution

The fourth proportional to 65,501.09, 98,169.48 and 28,017.16 is: 41,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,501.09 : 98,169.48 = 28,017.16 : x
  2. Step 2: Convert to fraction form
    65,501.09/98,169.48 = 28,017.16/x
  3. Step 3: Cross multiply
    65,501.09x = 98,169.48 × 28,017.16
  4. Step 4: Simplify right side
    65,501.09x = 2,750,430,028.28
  5. Step 5: Solve for x
    x = 2,750,430,028.28/65,501.09
  6. Step 6: Final answer
    x = 41,990.60

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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.