Home / 30,428.22-45,382.08-29,370.09

Finding the Fourth Proportional to 30,428.22, 45,382.08 and 29,370.09

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Solution

The fourth proportional to 30,428.22, 45,382.08 and 29,370.09 is: 43,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428.22 : 45,382.08 = 29,370.09 : x
  2. Step 2: Convert to fraction form
    30,428.22/45,382.08 = 29,370.09/x
  3. Step 3: Cross multiply
    30,428.22x = 45,382.08 × 29,370.09
  4. Step 4: Simplify right side
    30,428.22x = 1,332,875,773.99
  5. Step 5: Solve for x
    x = 1,332,875,773.99/30,428.22
  6. Step 6: Final answer
    x = 43,803.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.