Home / 52,818.86-72,889.44-28,619.36

Finding the Fourth Proportional to 52,818.86, 72,889.44 and 28,619.36

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Solution

The fourth proportional to 52,818.86, 72,889.44 and 28,619.36 is: 39,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.86 : 72,889.44 = 28,619.36 : x
  2. Step 2: Convert to fraction form
    52,818.86/72,889.44 = 28,619.36/x
  3. Step 3: Cross multiply
    52,818.86x = 72,889.44 × 28,619.36
  4. Step 4: Simplify right side
    52,818.86x = 2,086,049,123.56
  5. Step 5: Solve for x
    x = 2,086,049,123.56/52,818.86
  6. Step 6: Final answer
    x = 39,494.40

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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.