Home / 34,981.20-48,272.64-19,065.30

Finding the Fourth Proportional to 34,981.20, 48,272.64 and 19,065.30

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Solution

The fourth proportional to 34,981.20, 48,272.64 and 19,065.30 is: 26,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,981.20 : 48,272.64 = 19,065.30 : x
  2. Step 2: Convert to fraction form
    34,981.20/48,272.64 = 19,065.30/x
  3. Step 3: Cross multiply
    34,981.20x = 48,272.64 × 19,065.30
  4. Step 4: Simplify right side
    34,981.20x = 920,332,363.39
  5. Step 5: Solve for x
    x = 920,332,363.39/34,981.20
  6. Step 6: Final answer
    x = 26,309.34

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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.