Home / 35,269.38-48,673.56-21,130.42

Finding the Fourth Proportional to 35,269.38, 48,673.56 and 21,130.42

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Solution

The fourth proportional to 35,269.38, 48,673.56 and 21,130.42 is: 29,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,269.38 : 48,673.56 = 21,130.42 : x
  2. Step 2: Convert to fraction form
    35,269.38/48,673.56 = 21,130.42/x
  3. Step 3: Cross multiply
    35,269.38x = 48,673.56 × 21,130.42
  4. Step 4: Simplify right side
    35,269.38x = 1,028,492,765.70
  5. Step 5: Solve for x
    x = 1,028,492,765.70/35,269.38
  6. Step 6: Final answer
    x = 29,161.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.