Home / 65,486.24-98,147.12-28,002.28

Finding the Fourth Proportional to 65,486.24, 98,147.12 and 28,002.28

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Solution

The fourth proportional to 65,486.24, 98,147.12 and 28,002.28 is: 41,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,486.24 : 98,147.12 = 28,002.28 : x
  2. Step 2: Convert to fraction form
    65,486.24/98,147.12 = 28,002.28/x
  3. Step 3: Cross multiply
    65,486.24x = 98,147.12 × 28,002.28
  4. Step 4: Simplify right side
    65,486.24x = 2,748,343,135.43
  5. Step 5: Solve for x
    x = 2,748,343,135.43/65,486.24
  6. Step 6: Final answer
    x = 41,968.25

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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.