Home / 30,968.49-42,736.47-17,539.73

Finding the Fourth Proportional to 30,968.49, 42,736.47 and 17,539.73

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Solution

The fourth proportional to 30,968.49, 42,736.47 and 17,539.73 is: 24,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.49 : 42,736.47 = 17,539.73 : x
  2. Step 2: Convert to fraction form
    30,968.49/42,736.47 = 17,539.73/x
  3. Step 3: Cross multiply
    30,968.49x = 42,736.47 × 17,539.73
  4. Step 4: Simplify right side
    30,968.49x = 749,585,931.27
  5. Step 5: Solve for x
    x = 749,585,931.27/30,968.49
  6. Step 6: Final answer
    x = 24,204.79

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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.