Home / 35,637.98-49,180.10-19,722.02

Finding the Fourth Proportional to 35,637.98, 49,180.10 and 19,722.02

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Solution

The fourth proportional to 35,637.98, 49,180.10 and 19,722.02 is: 27,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,637.98 : 49,180.10 = 19,722.02 : x
  2. Step 2: Convert to fraction form
    35,637.98/49,180.10 = 19,722.02/x
  3. Step 3: Cross multiply
    35,637.98x = 49,180.10 × 19,722.02
  4. Step 4: Simplify right side
    35,637.98x = 969,930,571.29
  5. Step 5: Solve for x
    x = 969,930,571.29/35,637.98
  6. Step 6: Final answer
    x = 27,216.21

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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.