Home / 35,529.84-49,027-21,190.45

Finding the Fourth Proportional to 35,529.84, 49,027 and 21,190.45

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Solution

The fourth proportional to 35,529.84, 49,027 and 21,190.45 is: 29,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529.84 : 49,027 = 21,190.45 : x
  2. Step 2: Convert to fraction form
    35,529.84/49,027 = 21,190.45/x
  3. Step 3: Cross multiply
    35,529.84x = 49,027 × 21,190.45
  4. Step 4: Simplify right side
    35,529.84x = 1,038,904,192.15
  5. Step 5: Solve for x
    x = 1,038,904,192.15/35,529.84
  6. Step 6: Final answer
    x = 29,240.33

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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.