Home / 30,486.54-42,073.05-17,056.99

Finding the Fourth Proportional to 30,486.54, 42,073.05 and 17,056.99

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Solution

The fourth proportional to 30,486.54, 42,073.05 and 17,056.99 is: 23,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486.54 : 42,073.05 = 17,056.99 : x
  2. Step 2: Convert to fraction form
    30,486.54/42,073.05 = 17,056.99/x
  3. Step 3: Cross multiply
    30,486.54x = 42,073.05 × 17,056.99
  4. Step 4: Simplify right side
    30,486.54x = 717,639,593.12
  5. Step 5: Solve for x
    x = 717,639,593.12/30,486.54
  6. Step 6: Final answer
    x = 23,539.56

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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.