Home / 30,517.48-42,114.82-17,088.36

Finding the Fourth Proportional to 30,517.48, 42,114.82 and 17,088.36

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Solution

The fourth proportional to 30,517.48, 42,114.82 and 17,088.36 is: 23,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.48 : 42,114.82 = 17,088.36 : x
  2. Step 2: Convert to fraction form
    30,517.48/42,114.82 = 17,088.36/x
  3. Step 3: Cross multiply
    30,517.48x = 42,114.82 × 17,088.36
  4. Step 4: Simplify right side
    30,517.48x = 719,673,205.50
  5. Step 5: Solve for x
    x = 719,673,205.50/30,517.48
  6. Step 6: Final answer
    x = 23,582.33

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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.