Home / 52,051.56-71,831.20-28,178.44

Finding the Fourth Proportional to 52,051.56, 71,831.20 and 28,178.44

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Solution

The fourth proportional to 52,051.56, 71,831.20 and 28,178.44 is: 38,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,051.56 : 71,831.20 = 28,178.44 : x
  2. Step 2: Convert to fraction form
    52,051.56/71,831.20 = 28,178.44/x
  3. Step 3: Cross multiply
    52,051.56x = 71,831.20 × 28,178.44
  4. Step 4: Simplify right side
    52,051.56x = 2,024,091,159.33
  5. Step 5: Solve for x
    x = 2,024,091,159.33/52,051.56
  6. Step 6: Final answer
    x = 38,886.27

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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.