Home / 24,378.83-36,518.45-20,418.77

Finding the Fourth Proportional to 24,378.83, 36,518.45 and 20,418.77

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Solution

The fourth proportional to 24,378.83, 36,518.45 and 20,418.77 is: 30,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378.83 : 36,518.45 = 20,418.77 : x
  2. Step 2: Convert to fraction form
    24,378.83/36,518.45 = 20,418.77/x
  3. Step 3: Cross multiply
    24,378.83x = 36,518.45 × 20,418.77
  4. Step 4: Simplify right side
    24,378.83x = 745,661,546.62
  5. Step 5: Solve for x
    x = 745,661,546.62/24,378.83
  6. Step 6: Final answer
    x = 30,586.44

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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.