Home / 34,915.05-48,181.41-18,999.18

Finding the Fourth Proportional to 34,915.05, 48,181.41 and 18,999.18

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Solution

The fourth proportional to 34,915.05, 48,181.41 and 18,999.18 is: 26,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.05 : 48,181.41 = 18,999.18 : x
  2. Step 2: Convert to fraction form
    34,915.05/48,181.41 = 18,999.18/x
  3. Step 3: Cross multiply
    34,915.05x = 48,181.41 × 18,999.18
  4. Step 4: Simplify right side
    34,915.05x = 915,407,281.24
  5. Step 5: Solve for x
    x = 915,407,281.24/34,915.05
  6. Step 6: Final answer
    x = 26,218.13

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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.