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Finding the Fourth Proportional to 34,934.67, 48,208.62 and 19,018.86

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Solution

The fourth proportional to 34,934.67, 48,208.62 and 19,018.86 is: 26,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,934.67 : 48,208.62 = 19,018.86 : x
  2. Step 2: Convert to fraction form
    34,934.67/48,208.62 = 19,018.86/x
  3. Step 3: Cross multiply
    34,934.67x = 48,208.62 × 19,018.86
  4. Step 4: Simplify right side
    34,934.67x = 916,872,994.57
  5. Step 5: Solve for x
    x = 916,872,994.57/34,934.67
  6. Step 6: Final answer
    x = 26,245.36

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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.