Home / 66,126.21-91,254.29-35,911.18

Finding the Fourth Proportional to 66,126.21, 91,254.29 and 35,911.18

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Solution

The fourth proportional to 66,126.21, 91,254.29 and 35,911.18 is: 49,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.21 : 91,254.29 = 35,911.18 : x
  2. Step 2: Convert to fraction form
    66,126.21/91,254.29 = 35,911.18/x
  3. Step 3: Cross multiply
    66,126.21x = 91,254.29 × 35,911.18
  4. Step 4: Simplify right side
    66,126.21x = 3,277,049,233.96
  5. Step 5: Solve for x
    x = 3,277,049,233.96/66,126.21
  6. Step 6: Final answer
    x = 49,557.49

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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.