Home / 35,989.73-49,665.89-20,075.21

Finding the Fourth Proportional to 35,989.73, 49,665.89 and 20,075.21

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Solution

The fourth proportional to 35,989.73, 49,665.89 and 20,075.21 is: 27,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.73 : 49,665.89 = 20,075.21 : x
  2. Step 2: Convert to fraction form
    35,989.73/49,665.89 = 20,075.21/x
  3. Step 3: Cross multiply
    35,989.73x = 49,665.89 × 20,075.21
  4. Step 4: Simplify right side
    35,989.73x = 997,052,822.88
  5. Step 5: Solve for x
    x = 997,052,822.88/35,989.73
  6. Step 6: Final answer
    x = 27,703.82

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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.