Home / 45,422.48-62,629.39-31,089.22

Finding the Fourth Proportional to 45,422.48, 62,629.39 and 31,089.22

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Solution

The fourth proportional to 45,422.48, 62,629.39 and 31,089.22 is: 42,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,422.48 : 62,629.39 = 31,089.22 : x
  2. Step 2: Convert to fraction form
    45,422.48/62,629.39 = 31,089.22/x
  3. Step 3: Cross multiply
    45,422.48x = 62,629.39 × 31,089.22
  4. Step 4: Simplify right side
    45,422.48x = 1,947,098,884.18
  5. Step 5: Solve for x
    x = 1,947,098,884.18/45,422.48
  6. Step 6: Final answer
    x = 42,866.42

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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.