Home / 30,387.22-41,935.36-17,639.44

Finding the Fourth Proportional to 30,387.22, 41,935.36 and 17,639.44

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Solution

The fourth proportional to 30,387.22, 41,935.36 and 17,639.44 is: 24,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.22 : 41,935.36 = 17,639.44 : x
  2. Step 2: Convert to fraction form
    30,387.22/41,935.36 = 17,639.44/x
  3. Step 3: Cross multiply
    30,387.22x = 41,935.36 × 17,639.44
  4. Step 4: Simplify right side
    30,387.22x = 739,716,266.60
  5. Step 5: Solve for x
    x = 739,716,266.60/30,387.22
  6. Step 6: Final answer
    x = 24,343.01

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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.