Home / 30,915.54-46,540.44-28,159.92

Finding the Fourth Proportional to 30,915.54, 46,540.44 and 28,159.92

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Solution

The fourth proportional to 30,915.54, 46,540.44 and 28,159.92 is: 42,392.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.54 : 46,540.44 = 28,159.92 : x
  2. Step 2: Convert to fraction form
    30,915.54/46,540.44 = 28,159.92/x
  3. Step 3: Cross multiply
    30,915.54x = 46,540.44 × 28,159.92
  4. Step 4: Simplify right side
    30,915.54x = 1,310,575,067.16
  5. Step 5: Solve for x
    x = 1,310,575,067.16/30,915.54
  6. Step 6: Final answer
    x = 42,392.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.