Home / 35,989.72-49,665.89-20,075.20

Finding the Fourth Proportional to 35,989.72, 49,665.89 and 20,075.20

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Solution

The fourth proportional to 35,989.72, 49,665.89 and 20,075.20 is: 27,703.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.72 : 49,665.89 = 20,075.20 : x
  2. Step 2: Convert to fraction form
    35,989.72/49,665.89 = 20,075.20/x
  3. Step 3: Cross multiply
    35,989.72x = 49,665.89 × 20,075.20
  4. Step 4: Simplify right side
    35,989.72x = 997,052,600.95
  5. Step 5: Solve for x
    x = 997,052,600.95/35,989.72
  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.