Home / 31,021.24-42,824.16-19,094.80

Finding the Fourth Proportional to 31,021.24, 42,824.16 and 19,094.80

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Solution

The fourth proportional to 31,021.24, 42,824.16 and 19,094.80 is: 26,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.24 : 42,824.16 = 19,094.80 : x
  2. Step 2: Convert to fraction form
    31,021.24/42,824.16 = 19,094.80/x
  3. Step 3: Cross multiply
    31,021.24x = 42,824.16 × 19,094.80
  4. Step 4: Simplify right side
    31,021.24x = 817,718,770.37
  5. Step 5: Solve for x
    x = 817,718,770.37/31,021.24
  6. Step 6: Final answer
    x = 26,359.96

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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.