Home / 34,854.96-48,099.75-18,939.47

Finding the Fourth Proportional to 34,854.96, 48,099.75 and 18,939.47

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Solution

The fourth proportional to 34,854.96, 48,099.75 and 18,939.47 is: 26,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,854.96 : 48,099.75 = 18,939.47 : x
  2. Step 2: Convert to fraction form
    34,854.96/48,099.75 = 18,939.47/x
  3. Step 3: Cross multiply
    34,854.96x = 48,099.75 × 18,939.47
  4. Step 4: Simplify right side
    34,854.96x = 910,983,531.63
  5. Step 5: Solve for x
    x = 910,983,531.63/34,854.96
  6. Step 6: Final answer
    x = 26,136.41

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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.