Home / 35,302.05-48,721.92-21,156.21

Finding the Fourth Proportional to 35,302.05, 48,721.92 and 21,156.21

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Solution

The fourth proportional to 35,302.05, 48,721.92 and 21,156.21 is: 29,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,302.05 : 48,721.92 = 21,156.21 : x
  2. Step 2: Convert to fraction form
    35,302.05/48,721.92 = 21,156.21/x
  3. Step 3: Cross multiply
    35,302.05x = 48,721.92 × 21,156.21
  4. Step 4: Simplify right side
    35,302.05x = 1,030,771,171.12
  5. Step 5: Solve for x
    x = 1,030,771,171.12/35,302.05
  6. Step 6: Final answer
    x = 29,198.62

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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.