Home / 36,501.60-54,766.80-14,311.20

Finding the Fourth Proportional to 36,501.60, 54,766.80 and 14,311.20

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Solution

The fourth proportional to 36,501.60, 54,766.80 and 14,311.20 is: 21,472.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.60 : 54,766.80 = 14,311.20 : x
  2. Step 2: Convert to fraction form
    36,501.60/54,766.80 = 14,311.20/x
  3. Step 3: Cross multiply
    36,501.60x = 54,766.80 × 14,311.20
  4. Step 4: Simplify right side
    36,501.60x = 783,778,628.16
  5. Step 5: Solve for x
    x = 783,778,628.16/36,501.60
  6. Step 6: Final answer
    x = 21,472.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.