Home / 52,778.91-72,832.20-28,900.98

Finding the Fourth Proportional to 52,778.91, 72,832.20 and 28,900.98

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Solution

The fourth proportional to 52,778.91, 72,832.20 and 28,900.98 is: 39,881.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.91 : 72,832.20 = 28,900.98 : x
  2. Step 2: Convert to fraction form
    52,778.91/72,832.20 = 28,900.98/x
  3. Step 3: Cross multiply
    52,778.91x = 72,832.20 × 28,900.98
  4. Step 4: Simplify right side
    52,778.91x = 2,104,921,955.56
  5. Step 5: Solve for x
    x = 2,104,921,955.56/52,778.91
  6. Step 6: Final answer
    x = 39,881.88

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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.