Home / 30,909.54-46,531.38-28,153.92

Finding the Fourth Proportional to 30,909.54, 46,531.38 and 28,153.92

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Solution

The fourth proportional to 30,909.54, 46,531.38 and 28,153.92 is: 42,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.54 : 46,531.38 = 28,153.92 : x
  2. Step 2: Convert to fraction form
    30,909.54/46,531.38 = 28,153.92/x
  3. Step 3: Cross multiply
    30,909.54x = 46,531.38 × 28,153.92
  4. Step 4: Simplify right side
    30,909.54x = 1,310,040,750.01
  5. Step 5: Solve for x
    x = 1,310,040,750.01/30,909.54
  6. Step 6: Final answer
    x = 42,383.06

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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.