Home / 38,403.30-57,604.95-12,110.70

Finding the Fourth Proportional to 38,403.30, 57,604.95 and 12,110.70

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Solution

The fourth proportional to 38,403.30, 57,604.95 and 12,110.70 is: 18,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.30 : 57,604.95 = 12,110.70 : x
  2. Step 2: Convert to fraction form
    38,403.30/57,604.95 = 12,110.70/x
  3. Step 3: Cross multiply
    38,403.30x = 57,604.95 × 12,110.70
  4. Step 4: Simplify right side
    38,403.30x = 697,636,267.97
  5. Step 5: Solve for x
    x = 697,636,267.97/38,403.30
  6. Step 6: Final answer
    x = 18,166.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.