Home / 30,348.57-45,528.28-9,288.22

Finding the Fourth Proportional to 30,348.57, 45,528.28 and 9,288.22

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Solution

The fourth proportional to 30,348.57, 45,528.28 and 9,288.22 is: 13,933.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.57 : 45,528.28 = 9,288.22 : x
  2. Step 2: Convert to fraction form
    30,348.57/45,528.28 = 9,288.22/x
  3. Step 3: Cross multiply
    30,348.57x = 45,528.28 × 9,288.22
  4. Step 4: Simplify right side
    30,348.57x = 422,876,629.19
  5. Step 5: Solve for x
    x = 422,876,629.19/30,348.57
  6. Step 6: Final answer
    x = 13,933.99

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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.