Home / 30,117.59-41,561.04-16,689.41

Finding the Fourth Proportional to 30,117.59, 41,561.04 and 16,689.41

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Solution

The fourth proportional to 30,117.59, 41,561.04 and 16,689.41 is: 23,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.59 : 41,561.04 = 16,689.41 : x
  2. Step 2: Convert to fraction form
    30,117.59/41,561.04 = 16,689.41/x
  3. Step 3: Cross multiply
    30,117.59x = 41,561.04 × 16,689.41
  4. Step 4: Simplify right side
    30,117.59x = 693,629,028.78
  5. Step 5: Solve for x
    x = 693,629,028.78/30,117.59
  6. Step 6: Final answer
    x = 23,030.70

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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.