Home / 30,792.32-42,493.54-19,466.78

Finding the Fourth Proportional to 30,792.32, 42,493.54 and 19,466.78

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Solution

The fourth proportional to 30,792.32, 42,493.54 and 19,466.78 is: 26,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,792.32 : 42,493.54 = 19,466.78 : x
  2. Step 2: Convert to fraction form
    30,792.32/42,493.54 = 19,466.78/x
  3. Step 3: Cross multiply
    30,792.32x = 42,493.54 × 19,466.78
  4. Step 4: Simplify right side
    30,792.32x = 827,212,394.60
  5. Step 5: Solve for x
    x = 827,212,394.60/30,792.32
  6. Step 6: Final answer
    x = 26,864.24

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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.