Home / 30,152.97-45,223.26-11,426.55

Finding the Fourth Proportional to 30,152.97, 45,223.26 and 11,426.55

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Solution

The fourth proportional to 30,152.97, 45,223.26 and 11,426.55 is: 17,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.97 : 45,223.26 = 11,426.55 : x
  2. Step 2: Convert to fraction form
    30,152.97/45,223.26 = 11,426.55/x
  3. Step 3: Cross multiply
    30,152.97x = 45,223.26 × 11,426.55
  4. Step 4: Simplify right side
    30,152.97x = 516,745,841.55
  5. Step 5: Solve for x
    x = 516,745,841.55/30,152.97
  6. Step 6: Final answer
    x = 17,137.48

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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.