Home / 39,911.56-55,075.74-22,003.50

Finding the Fourth Proportional to 39,911.56, 55,075.74 and 22,003.50

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Solution

The fourth proportional to 39,911.56, 55,075.74 and 22,003.50 is: 30,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,911.56 : 55,075.74 = 22,003.50 : x
  2. Step 2: Convert to fraction form
    39,911.56/55,075.74 = 22,003.50/x
  3. Step 3: Cross multiply
    39,911.56x = 55,075.74 × 22,003.50
  4. Step 4: Simplify right side
    39,911.56x = 1,211,859,045.09
  5. Step 5: Solve for x
    x = 1,211,859,045.09/39,911.56
  6. Step 6: Final answer
    x = 30,363.61

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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.