Home / 43,320.69-64,981.44-13,736.25

Finding the Fourth Proportional to 43,320.69, 64,981.44 and 13,736.25

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Solution

The fourth proportional to 43,320.69, 64,981.44 and 13,736.25 is: 20,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,320.69 : 64,981.44 = 13,736.25 : x
  2. Step 2: Convert to fraction form
    43,320.69/64,981.44 = 13,736.25/x
  3. Step 3: Cross multiply
    43,320.69x = 64,981.44 × 13,736.25
  4. Step 4: Simplify right side
    43,320.69x = 892,601,305.20
  5. Step 5: Solve for x
    x = 892,601,305.20/43,320.69
  6. Step 6: Final answer
    x = 20,604.50

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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.