Home / 39,909.95-55,075.96-22,004.65

Finding the Fourth Proportional to 39,909.95, 55,075.96 and 22,004.65

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Solution

The fourth proportional to 39,909.95, 55,075.96 and 22,004.65 is: 30,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.95 : 55,075.96 = 22,004.65 : x
  2. Step 2: Convert to fraction form
    39,909.95/55,075.96 = 22,004.65/x
  3. Step 3: Cross multiply
    39,909.95x = 55,075.96 × 22,004.65
  4. Step 4: Simplify right side
    39,909.95x = 1,211,927,223.21
  5. Step 5: Solve for x
    x = 1,211,927,223.21/39,909.95
  6. Step 6: Final answer
    x = 30,366.54

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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.