Home / 39,907.64-55,075.01-22,002.60

Finding the Fourth Proportional to 39,907.64, 55,075.01 and 22,002.60

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Solution

The fourth proportional to 39,907.64, 55,075.01 and 22,002.60 is: 30,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.64 : 55,075.01 = 22,002.60 : x
  2. Step 2: Convert to fraction form
    39,907.64/55,075.01 = 22,002.60/x
  3. Step 3: Cross multiply
    39,907.64x = 55,075.01 × 22,002.60
  4. Step 4: Simplify right side
    39,907.64x = 1,211,793,305.01
  5. Step 5: Solve for x
    x = 1,211,793,305.01/39,907.64
  6. Step 6: Final answer
    x = 30,364.95

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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.