Home / 30,502.69-42,094.43-17,073.61

Finding the Fourth Proportional to 30,502.69, 42,094.43 and 17,073.61

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Solution

The fourth proportional to 30,502.69, 42,094.43 and 17,073.61 is: 23,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502.69 : 42,094.43 = 17,073.61 : x
  2. Step 2: Convert to fraction form
    30,502.69/42,094.43 = 17,073.61/x
  3. Step 3: Cross multiply
    30,502.69x = 42,094.43 × 17,073.61
  4. Step 4: Simplify right side
    30,502.69x = 718,703,795.62
  5. Step 5: Solve for x
    x = 718,703,795.62/30,502.69
  6. Step 6: Final answer
    x = 23,561.98

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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.