Home / 31,024.28-42,813.96-19,080.56

Finding the Fourth Proportional to 31,024.28, 42,813.96 and 19,080.56

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Solution

The fourth proportional to 31,024.28, 42,813.96 and 19,080.56 is: 26,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.28 : 42,813.96 = 19,080.56 : x
  2. Step 2: Convert to fraction form
    31,024.28/42,813.96 = 19,080.56/x
  3. Step 3: Cross multiply
    31,024.28x = 42,813.96 × 19,080.56
  4. Step 4: Simplify right side
    31,024.28x = 816,914,332.62
  5. Step 5: Solve for x
    x = 816,914,332.62/31,024.28
  6. Step 6: Final answer
    x = 26,331.45

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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.