Home / 34,989.20-48,285.12-19,073.66

Finding the Fourth Proportional to 34,989.20, 48,285.12 and 19,073.66

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Solution

The fourth proportional to 34,989.20, 48,285.12 and 19,073.66 is: 26,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,989.20 : 48,285.12 = 19,073.66 : x
  2. Step 2: Convert to fraction form
    34,989.20/48,285.12 = 19,073.66/x
  3. Step 3: Cross multiply
    34,989.20x = 48,285.12 × 19,073.66
  4. Step 4: Simplify right side
    34,989.20x = 920,973,961.94
  5. Step 5: Solve for x
    x = 920,973,961.94/34,989.20
  6. Step 6: Final answer
    x = 26,321.66

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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.