Home / 36,821.60-55,239.60-14,631.20

Finding the Fourth Proportional to 36,821.60, 55,239.60 and 14,631.20

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Solution

The fourth proportional to 36,821.60, 55,239.60 and 14,631.20 is: 21,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.60 : 55,239.60 = 14,631.20 : x
  2. Step 2: Convert to fraction form
    36,821.60/55,239.60 = 14,631.20/x
  3. Step 3: Cross multiply
    36,821.60x = 55,239.60 × 14,631.20
  4. Step 4: Simplify right side
    36,821.60x = 808,221,635.52
  5. Step 5: Solve for x
    x = 808,221,635.52/36,821.60
  6. Step 6: Final answer
    x = 21,949.66

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1.5x scale

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.