Home / 34,855.36-48,099.12-18,939.47

Finding the Fourth Proportional to 34,855.36, 48,099.12 and 18,939.47

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Solution

The fourth proportional to 34,855.36, 48,099.12 and 18,939.47 is: 26,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.36 : 48,099.12 = 18,939.47 : x
  2. Step 2: Convert to fraction form
    34,855.36/48,099.12 = 18,939.47/x
  3. Step 3: Cross multiply
    34,855.36x = 48,099.12 × 18,939.47
  4. Step 4: Simplify right side
    34,855.36x = 910,971,799.31
  5. Step 5: Solve for x
    x = 910,971,799.31/34,855.36
  6. Step 6: Final answer
    x = 26,135.77

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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.