Home / 40,075.04-55,302.48-22,170.40

Finding the Fourth Proportional to 40,075.04, 55,302.48 and 22,170.40

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Solution

The fourth proportional to 40,075.04, 55,302.48 and 22,170.40 is: 30,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.04 : 55,302.48 = 22,170.40 : x
  2. Step 2: Convert to fraction form
    40,075.04/55,302.48 = 22,170.40/x
  3. Step 3: Cross multiply
    40,075.04x = 55,302.48 × 22,170.40
  4. Step 4: Simplify right side
    40,075.04x = 1,226,078,102.59
  5. Step 5: Solve for x
    x = 1,226,078,102.59/40,075.04
  6. Step 6: Final answer
    x = 30,594.56

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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.