Home / 35,318.75-52,915.86-18,642.04

Finding the Fourth Proportional to 35,318.75, 52,915.86 and 18,642.04

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Solution

The fourth proportional to 35,318.75, 52,915.86 and 18,642.04 is: 27,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.75 : 52,915.86 = 18,642.04 : x
  2. Step 2: Convert to fraction form
    35,318.75/52,915.86 = 18,642.04/x
  3. Step 3: Cross multiply
    35,318.75x = 52,915.86 × 18,642.04
  4. Step 4: Simplify right side
    35,318.75x = 986,459,578.75
  5. Step 5: Solve for x
    x = 986,459,578.75/35,318.75
  6. Step 6: Final answer
    x = 27,930.20

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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.