Home / 66,929.54-92,361.98-38,634.62

Finding the Fourth Proportional to 66,929.54, 92,361.98 and 38,634.62

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Solution

The fourth proportional to 66,929.54, 92,361.98 and 38,634.62 is: 53,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,929.54 : 92,361.98 = 38,634.62 : x
  2. Step 2: Convert to fraction form
    66,929.54/92,361.98 = 38,634.62/x
  3. Step 3: Cross multiply
    66,929.54x = 92,361.98 × 38,634.62
  4. Step 4: Simplify right side
    66,929.54x = 3,568,369,999.75
  5. Step 5: Solve for x
    x = 3,568,369,999.75/66,929.54
  6. Step 6: Final answer
    x = 53,315.32

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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.