Home / 39,620.69-54,662.55-22,612.67

Finding the Fourth Proportional to 39,620.69, 54,662.55 and 22,612.67

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Solution

The fourth proportional to 39,620.69, 54,662.55 and 22,612.67 is: 31,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.69 : 54,662.55 = 22,612.67 : x
  2. Step 2: Convert to fraction form
    39,620.69/54,662.55 = 22,612.67/x
  3. Step 3: Cross multiply
    39,620.69x = 54,662.55 × 22,612.67
  4. Step 4: Simplify right side
    39,620.69x = 1,236,066,051.38
  5. Step 5: Solve for x
    x = 1,236,066,051.38/39,620.69
  6. Step 6: Final answer
    x = 31,197.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.