Home / 66,429.90-99,701.55-27,015.30

Finding the Fourth Proportional to 66,429.90, 99,701.55 and 27,015.30

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Solution

The fourth proportional to 66,429.90, 99,701.55 and 27,015.30 is: 40,546.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.90 : 99,701.55 = 27,015.30 : x
  2. Step 2: Convert to fraction form
    66,429.90/99,701.55 = 27,015.30/x
  3. Step 3: Cross multiply
    66,429.90x = 99,701.55 × 27,015.30
  4. Step 4: Simplify right side
    66,429.90x = 2,693,467,283.72
  5. Step 5: Solve for x
    x = 2,693,467,283.72/66,429.90
  6. Step 6: Final answer
    x = 40,546.01

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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.