Home / 30,271.76-45,405.81-11,292.74

Finding the Fourth Proportional to 30,271.76, 45,405.81 and 11,292.74

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Solution

The fourth proportional to 30,271.76, 45,405.81 and 11,292.74 is: 16,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.76 : 45,405.81 = 11,292.74 : x
  2. Step 2: Convert to fraction form
    30,271.76/45,405.81 = 11,292.74/x
  3. Step 3: Cross multiply
    30,271.76x = 45,405.81 × 11,292.74
  4. Step 4: Simplify right side
    30,271.76x = 512,755,723.33
  5. Step 5: Solve for x
    x = 512,755,723.33/30,271.76
  6. Step 6: Final answer
    x = 16,938.42

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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.