Home / 66,146.17-91,283.36-35,931.49

Finding the Fourth Proportional to 66,146.17, 91,283.36 and 35,931.49

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Solution

The fourth proportional to 66,146.17, 91,283.36 and 35,931.49 is: 49,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.17 : 91,283.36 = 35,931.49 : x
  2. Step 2: Convert to fraction form
    66,146.17/91,283.36 = 35,931.49/x
  3. Step 3: Cross multiply
    66,146.17x = 91,283.36 × 35,931.49
  4. Step 4: Simplify right side
    66,146.17x = 3,279,947,137.01
  5. Step 5: Solve for x
    x = 3,279,947,137.01/66,146.17
  6. Step 6: Final answer
    x = 49,586.35

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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.