Home / 38,619.12-53,266.86-35,442.66

Finding the Fourth Proportional to 38,619.12, 53,266.86 and 35,442.66

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Solution

The fourth proportional to 38,619.12, 53,266.86 and 35,442.66 is: 48,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619.12 : 53,266.86 = 35,442.66 : x
  2. Step 2: Convert to fraction form
    38,619.12/53,266.86 = 35,442.66/x
  3. Step 3: Cross multiply
    38,619.12x = 53,266.86 × 35,442.66
  4. Step 4: Simplify right side
    38,619.12x = 1,887,919,208.25
  5. Step 5: Solve for x
    x = 1,887,919,208.25/38,619.12
  6. Step 6: Final answer
    x = 48,885.61

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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.