Home / 31,350.09-43,263.12-17,921.63

Finding the Fourth Proportional to 31,350.09, 43,263.12 and 17,921.63

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Solution

The fourth proportional to 31,350.09, 43,263.12 and 17,921.63 is: 24,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.09 : 43,263.12 = 17,921.63 : x
  2. Step 2: Convert to fraction form
    31,350.09/43,263.12 = 17,921.63/x
  3. Step 3: Cross multiply
    31,350.09x = 43,263.12 × 17,921.63
  4. Step 4: Simplify right side
    31,350.09x = 775,345,412.97
  5. Step 5: Solve for x
    x = 775,345,412.97/31,350.09
  6. Step 6: Final answer
    x = 24,731.84

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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.