Home / 66,468.83-91,728.07-36,254.15

Finding the Fourth Proportional to 66,468.83, 91,728.07 and 36,254.15

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Solution

The fourth proportional to 66,468.83, 91,728.07 and 36,254.15 is: 50,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468.83 : 91,728.07 = 36,254.15 : x
  2. Step 2: Convert to fraction form
    66,468.83/91,728.07 = 36,254.15/x
  3. Step 3: Cross multiply
    66,468.83x = 91,728.07 × 36,254.15
  4. Step 4: Simplify right side
    66,468.83x = 3,325,522,750.35
  5. Step 5: Solve for x
    x = 3,325,522,750.35/66,468.83
  6. Step 6: Final answer
    x = 50,031.32

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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.