Home / 30,792.36-42,493.41-16,645.17

Finding the Fourth Proportional to 30,792.36, 42,493.41 and 16,645.17

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Solution

The fourth proportional to 30,792.36, 42,493.41 and 16,645.17 is: 22,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.36 : 42,493.41 = 16,645.17 : x
  2. Step 2: Convert to fraction form
    30,792.36/42,493.41 = 16,645.17/x
  3. Step 3: Cross multiply
    30,792.36x = 42,493.41 × 16,645.17
  4. Step 4: Simplify right side
    30,792.36x = 707,310,033.33
  5. Step 5: Solve for x
    x = 707,310,033.33/30,792.36
  6. Step 6: Final answer
    x = 22,970.31

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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.