Home / 30,703.10-42,371.79-17,273.66

Finding the Fourth Proportional to 30,703.10, 42,371.79 and 17,273.66

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Solution

The fourth proportional to 30,703.10, 42,371.79 and 17,273.66 is: 23,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.10 : 42,371.79 = 17,273.66 : x
  2. Step 2: Convert to fraction form
    30,703.10/42,371.79 = 17,273.66/x
  3. Step 3: Cross multiply
    30,703.10x = 42,371.79 × 17,273.66
  4. Step 4: Simplify right side
    30,703.10x = 731,915,894.05
  5. Step 5: Solve for x
    x = 731,915,894.05/30,703.10
  6. Step 6: Final answer
    x = 23,838.50

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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.