Home / 35,859.10-49,487.30-19,943.21

Finding the Fourth Proportional to 35,859.10, 49,487.30 and 19,943.21

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Solution

The fourth proportional to 35,859.10, 49,487.30 and 19,943.21 is: 27,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.10 : 49,487.30 = 19,943.21 : x
  2. Step 2: Convert to fraction form
    35,859.10/49,487.30 = 19,943.21/x
  3. Step 3: Cross multiply
    35,859.10x = 49,487.30 × 19,943.21
  4. Step 4: Simplify right side
    35,859.10x = 986,935,418.65
  5. Step 5: Solve for x
    x = 986,935,418.65/35,859.10
  6. Step 6: Final answer
    x = 27,522.60

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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.