Home / 31,561.23-43,536.12-20,226.69

Finding the Fourth Proportional to 31,561.23, 43,536.12 and 20,226.69

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Solution

The fourth proportional to 31,561.23, 43,536.12 and 20,226.69 is: 27,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.23 : 43,536.12 = 20,226.69 : x
  2. Step 2: Convert to fraction form
    31,561.23/43,536.12 = 20,226.69/x
  3. Step 3: Cross multiply
    31,561.23x = 43,536.12 × 20,226.69
  4. Step 4: Simplify right side
    31,561.23x = 880,591,762.45
  5. Step 5: Solve for x
    x = 880,591,762.45/31,561.23
  6. Step 6: Final answer
    x = 27,901.06

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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.