Home / 30,350.57-45,524.70-9,289.76

Finding the Fourth Proportional to 30,350.57, 45,524.70 and 9,289.76

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Solution

The fourth proportional to 30,350.57, 45,524.70 and 9,289.76 is: 13,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.57 : 45,524.70 = 9,289.76 : x
  2. Step 2: Convert to fraction form
    30,350.57/45,524.70 = 9,289.76/x
  3. Step 3: Cross multiply
    30,350.57x = 45,524.70 × 9,289.76
  4. Step 4: Simplify right side
    30,350.57x = 422,913,309.45
  5. Step 5: Solve for x
    x = 422,913,309.45/30,350.57
  6. Step 6: Final answer
    x = 13,934.28

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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.