Home / 30,495.29-42,083.11-17,066.65

Finding the Fourth Proportional to 30,495.29, 42,083.11 and 17,066.65

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Solution

The fourth proportional to 30,495.29, 42,083.11 and 17,066.65 is: 23,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.29 : 42,083.11 = 17,066.65 : x
  2. Step 2: Convert to fraction form
    30,495.29/42,083.11 = 17,066.65/x
  3. Step 3: Cross multiply
    30,495.29x = 42,083.11 × 17,066.65
  4. Step 4: Simplify right side
    30,495.29x = 718,217,632.31
  5. Step 5: Solve for x
    x = 718,217,632.31/30,495.29
  6. Step 6: Final answer
    x = 23,551.76

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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.