Home / 35,343.03-48,753.05-21,187.65

Finding the Fourth Proportional to 35,343.03, 48,753.05 and 21,187.65

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Solution

The fourth proportional to 35,343.03, 48,753.05 and 21,187.65 is: 29,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.03 : 48,753.05 = 21,187.65 : x
  2. Step 2: Convert to fraction form
    35,343.03/48,753.05 = 21,187.65/x
  3. Step 3: Cross multiply
    35,343.03x = 48,753.05 × 21,187.65
  4. Step 4: Simplify right side
    35,343.03x = 1,032,962,453.89
  5. Step 5: Solve for x
    x = 1,032,962,453.89/35,343.03
  6. Step 6: Final answer
    x = 29,226.77

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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.