Home / 30,915.28-46,403.16-22,165.84

Finding the Fourth Proportional to 30,915.28, 46,403.16 and 22,165.84

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Solution

The fourth proportional to 30,915.28, 46,403.16 and 22,165.84 is: 33,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,915.28 : 46,403.16 = 22,165.84 : x
  2. Step 2: Convert to fraction form
    30,915.28/46,403.16 = 22,165.84/x
  3. Step 3: Cross multiply
    30,915.28x = 46,403.16 × 22,165.84
  4. Step 4: Simplify right side
    30,915.28x = 1,028,565,020.05
  5. Step 5: Solve for x
    x = 1,028,565,020.05/30,915.28
  6. Step 6: Final answer
    x = 33,270.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.