Home / 66,922.16-100,366.40-27,490.16

Finding the Fourth Proportional to 66,922.16, 100,366.40 and 27,490.16

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Solution

The fourth proportional to 66,922.16, 100,366.40 and 27,490.16 is: 41,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,922.16 : 100,366.40 = 27,490.16 : x
  2. Step 2: Convert to fraction form
    66,922.16/100,366.40 = 27,490.16/x
  3. Step 3: Cross multiply
    66,922.16x = 100,366.40 × 27,490.16
  4. Step 4: Simplify right side
    66,922.16x = 2,759,088,394.62
  5. Step 5: Solve for x
    x = 2,759,088,394.62/66,922.16
  6. Step 6: Final answer
    x = 41,228.32

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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.