Home / 35,991.39-49,669.17-20,075.50

Finding the Fourth Proportional to 35,991.39, 49,669.17 and 20,075.50

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Solution

The fourth proportional to 35,991.39, 49,669.17 and 20,075.50 is: 27,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.39 : 49,669.17 = 20,075.50 : x
  2. Step 2: Convert to fraction form
    35,991.39/49,669.17 = 20,075.50/x
  3. Step 3: Cross multiply
    35,991.39x = 49,669.17 × 20,075.50
  4. Step 4: Simplify right side
    35,991.39x = 997,133,242.67
  5. Step 5: Solve for x
    x = 997,133,242.67/35,991.39
  6. Step 6: Final answer
    x = 27,704.77

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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.