Home / 37,695.84-56,377.92-28,379.76

Finding the Fourth Proportional to 37,695.84, 56,377.92 and 28,379.76

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Solution

The fourth proportional to 37,695.84, 56,377.92 and 28,379.76 is: 42,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,695.84 : 56,377.92 = 28,379.76 : x
  2. Step 2: Convert to fraction form
    37,695.84/56,377.92 = 28,379.76/x
  3. Step 3: Cross multiply
    37,695.84x = 56,377.92 × 28,379.76
  4. Step 4: Simplify right side
    37,695.84x = 1,599,991,838.90
  5. Step 5: Solve for x
    x = 1,599,991,838.90/37,695.84
  6. Step 6: Final answer
    x = 42,444.79

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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.