Home / 65,126.13-89,843.90-38,268.15

Finding the Fourth Proportional to 65,126.13, 89,843.90 and 38,268.15

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Solution

The fourth proportional to 65,126.13, 89,843.90 and 38,268.15 is: 52,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,126.13 : 89,843.90 = 38,268.15 : x
  2. Step 2: Convert to fraction form
    65,126.13/89,843.90 = 38,268.15/x
  3. Step 3: Cross multiply
    65,126.13x = 89,843.90 × 38,268.15
  4. Step 4: Simplify right side
    65,126.13x = 3,438,159,650.44
  5. Step 5: Solve for x
    x = 3,438,159,650.44/65,126.13
  6. Step 6: Final answer
    x = 52,792.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.