Home / 66,215.20-99,361.20-24,666.40

Finding the Fourth Proportional to 66,215.20, 99,361.20 and 24,666.40

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Solution

The fourth proportional to 66,215.20, 99,361.20 and 24,666.40 is: 37,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215.20 : 99,361.20 = 24,666.40 : x
  2. Step 2: Convert to fraction form
    66,215.20/99,361.20 = 24,666.40/x
  3. Step 3: Cross multiply
    66,215.20x = 99,361.20 × 24,666.40
  4. Step 4: Simplify right side
    66,215.20x = 2,450,883,103.68
  5. Step 5: Solve for x
    x = 2,450,883,103.68/66,215.20
  6. Step 6: Final answer
    x = 37,013.90

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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.