Home / 30,319.80-41,841.38-16,891.53

Finding the Fourth Proportional to 30,319.80, 41,841.38 and 16,891.53

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Solution

The fourth proportional to 30,319.80, 41,841.38 and 16,891.53 is: 23,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.80 : 41,841.38 = 16,891.53 : x
  2. Step 2: Convert to fraction form
    30,319.80/41,841.38 = 16,891.53/x
  3. Step 3: Cross multiply
    30,319.80x = 41,841.38 × 16,891.53
  4. Step 4: Simplify right side
    30,319.80x = 706,764,925.51
  5. Step 5: Solve for x
    x = 706,764,925.51/30,319.80
  6. Step 6: Final answer
    x = 23,310.34

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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.