Home / 35,103.53-48,442.66-19,188.09

Finding the Fourth Proportional to 35,103.53, 48,442.66 and 19,188.09

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Solution

The fourth proportional to 35,103.53, 48,442.66 and 19,188.09 is: 26,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,103.53 : 48,442.66 = 19,188.09 : x
  2. Step 2: Convert to fraction form
    35,103.53/48,442.66 = 19,188.09/x
  3. Step 3: Cross multiply
    35,103.53x = 48,442.66 × 19,188.09
  4. Step 4: Simplify right side
    35,103.53x = 929,522,071.95
  5. Step 5: Solve for x
    x = 929,522,071.95/35,103.53
  6. Step 6: Final answer
    x = 26,479.45

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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.