Home / 30,748.13-46,122.23-8,561.55

Finding the Fourth Proportional to 30,748.13, 46,122.23 and 8,561.55

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Solution

The fourth proportional to 30,748.13, 46,122.23 and 8,561.55 is: 12,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748.13 : 46,122.23 = 8,561.55 : x
  2. Step 2: Convert to fraction form
    30,748.13/46,122.23 = 8,561.55/x
  3. Step 3: Cross multiply
    30,748.13x = 46,122.23 × 8,561.55
  4. Step 4: Simplify right side
    30,748.13x = 394,877,850.75
  5. Step 5: Solve for x
    x = 394,877,850.75/30,748.13
  6. Step 6: Final answer
    x = 12,842.34

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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.