Home / 30,500.39-42,080.94-17,069.51

Finding the Fourth Proportional to 30,500.39, 42,080.94 and 17,069.51

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Solution

The fourth proportional to 30,500.39, 42,080.94 and 17,069.51 is: 23,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.39 : 42,080.94 = 17,069.51 : x
  2. Step 2: Convert to fraction form
    30,500.39/42,080.94 = 17,069.51/x
  3. Step 3: Cross multiply
    30,500.39x = 42,080.94 × 17,069.51
  4. Step 4: Simplify right side
    30,500.39x = 718,301,131.34
  5. Step 5: Solve for x
    x = 718,301,131.34/30,500.39
  6. Step 6: Final answer
    x = 23,550.55

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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.