Home / 35,921.04-49,571.01-20,822.45

Finding the Fourth Proportional to 35,921.04, 49,571.01 and 20,822.45

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Solution

The fourth proportional to 35,921.04, 49,571.01 and 20,822.45 is: 28,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.04 : 49,571.01 = 20,822.45 : x
  2. Step 2: Convert to fraction form
    35,921.04/49,571.01 = 20,822.45/x
  3. Step 3: Cross multiply
    35,921.04x = 49,571.01 × 20,822.45
  4. Step 4: Simplify right side
    35,921.04x = 1,032,189,877.17
  5. Step 5: Solve for x
    x = 1,032,189,877.17/35,921.04
  6. Step 6: Final answer
    x = 28,734.97

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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.