Home / 30,517.26-42,113.77-17,088.52

Finding the Fourth Proportional to 30,517.26, 42,113.77 and 17,088.52

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Solution

The fourth proportional to 30,517.26, 42,113.77 and 17,088.52 is: 23,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.26 : 42,113.77 = 17,088.52 : x
  2. Step 2: Convert to fraction form
    30,517.26/42,113.77 = 17,088.52/x
  3. Step 3: Cross multiply
    30,517.26x = 42,113.77 × 17,088.52
  4. Step 4: Simplify right side
    30,517.26x = 719,662,000.92
  5. Step 5: Solve for x
    x = 719,662,000.92/30,517.26
  6. Step 6: Final answer
    x = 23,582.13

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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.