Home / 39,912.89-55,075.95-22,003.38

Finding the Fourth Proportional to 39,912.89, 55,075.95 and 22,003.38

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Solution

The fourth proportional to 39,912.89, 55,075.95 and 22,003.38 is: 30,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.89 : 55,075.95 = 22,003.38 : x
  2. Step 2: Convert to fraction form
    39,912.89/55,075.95 = 22,003.38/x
  3. Step 3: Cross multiply
    39,912.89x = 55,075.95 × 22,003.38
  4. Step 4: Simplify right side
    39,912.89x = 1,211,857,056.71
  5. Step 5: Solve for x
    x = 1,211,857,056.71/39,912.89
  6. Step 6: Final answer
    x = 30,362.55

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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.