Home / 20,035.61-30,043.98-11,718.17

Finding the Fourth Proportional to 20,035.61, 30,043.98 and 11,718.17

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Solution

The fourth proportional to 20,035.61, 30,043.98 and 11,718.17 is: 17,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.61 : 30,043.98 = 11,718.17 : x
  2. Step 2: Convert to fraction form
    20,035.61/30,043.98 = 11,718.17/x
  3. Step 3: Cross multiply
    20,035.61x = 30,043.98 × 11,718.17
  4. Step 4: Simplify right side
    20,035.61x = 352,060,465.12
  5. Step 5: Solve for x
    x = 352,060,465.12/20,035.61
  6. Step 6: Final answer
    x = 17,571.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.