Home / 52,769.64-72,822.21-28,570.86

Finding the Fourth Proportional to 52,769.64, 72,822.21 and 28,570.86

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Solution

The fourth proportional to 52,769.64, 72,822.21 and 28,570.86 is: 39,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.64 : 72,822.21 = 28,570.86 : x
  2. Step 2: Convert to fraction form
    52,769.64/72,822.21 = 28,570.86/x
  3. Step 3: Cross multiply
    52,769.64x = 72,822.21 × 28,570.86
  4. Step 4: Simplify right side
    52,769.64x = 2,080,593,166.80
  5. Step 5: Solve for x
    x = 2,080,593,166.80/52,769.64
  6. Step 6: Final answer
    x = 39,427.84

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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.