Home / 35,648.20-53,429.10-15,905.80

Finding the Fourth Proportional to 35,648.20, 53,429.10 and 15,905.80

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Solution

The fourth proportional to 35,648.20, 53,429.10 and 15,905.80 is: 23,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,648.20 : 53,429.10 = 15,905.80 : x
  2. Step 2: Convert to fraction form
    35,648.20/53,429.10 = 15,905.80/x
  3. Step 3: Cross multiply
    35,648.20x = 53,429.10 × 15,905.80
  4. Step 4: Simplify right side
    35,648.20x = 849,832,578.78
  5. Step 5: Solve for x
    x = 849,832,578.78/35,648.20
  6. Step 6: Final answer
    x = 23,839.42

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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.