Home / 34,905.17-48,169.50-18,989.58

Finding the Fourth Proportional to 34,905.17, 48,169.50 and 18,989.58

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Solution

The fourth proportional to 34,905.17, 48,169.50 and 18,989.58 is: 26,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.17 : 48,169.50 = 18,989.58 : x
  2. Step 2: Convert to fraction form
    34,905.17/48,169.50 = 18,989.58/x
  3. Step 3: Cross multiply
    34,905.17x = 48,169.50 × 18,989.58
  4. Step 4: Simplify right side
    34,905.17x = 914,718,478.86
  5. Step 5: Solve for x
    x = 914,718,478.86/34,905.17
  6. Step 6: Final answer
    x = 26,205.82

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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.