Home / 65,452.89-98,176.59-21,078.66

Finding the Fourth Proportional to 65,452.89, 98,176.59 and 21,078.66

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Solution

The fourth proportional to 65,452.89, 98,176.59 and 21,078.66 is: 31,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,452.89 : 98,176.59 = 21,078.66 : x
  2. Step 2: Convert to fraction form
    65,452.89/98,176.59 = 21,078.66/x
  3. Step 3: Cross multiply
    65,452.89x = 98,176.59 × 21,078.66
  4. Step 4: Simplify right side
    65,452.89x = 2,069,430,364.29
  5. Step 5: Solve for x
    x = 2,069,430,364.29/65,452.89
  6. Step 6: Final answer
    x = 31,617.10

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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.