Home / 36,390.60-54,210.33-35,289.27

Finding the Fourth Proportional to 36,390.60, 54,210.33 and 35,289.27

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Solution

The fourth proportional to 36,390.60, 54,210.33 and 35,289.27 is: 52,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.60 : 54,210.33 = 35,289.27 : x
  2. Step 2: Convert to fraction form
    36,390.60/54,210.33 = 35,289.27/x
  3. Step 3: Cross multiply
    36,390.60x = 54,210.33 × 35,289.27
  4. Step 4: Simplify right side
    36,390.60x = 1,913,042,972.16
  5. Step 5: Solve for x
    x = 1,913,042,972.16/36,390.60
  6. Step 6: Final answer
    x = 52,569.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.