Home / 22,635.14-31,144.95-22,055.58

Finding the Fourth Proportional to 22,635.14, 31,144.95 and 22,055.58

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Solution

The fourth proportional to 22,635.14, 31,144.95 and 22,055.58 is: 30,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.14 : 31,144.95 = 22,055.58 : x
  2. Step 2: Convert to fraction form
    22,635.14/31,144.95 = 22,055.58/x
  3. Step 3: Cross multiply
    22,635.14x = 31,144.95 × 22,055.58
  4. Step 4: Simplify right side
    22,635.14x = 686,919,936.32
  5. Step 5: Solve for x
    x = 686,919,936.32/22,635.14
  6. Step 6: Final answer
    x = 30,347.51

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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.