Home / 40,075.49-55,303.08-22,169.90

Finding the Fourth Proportional to 40,075.49, 55,303.08 and 22,169.90

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Solution

The fourth proportional to 40,075.49, 55,303.08 and 22,169.90 is: 30,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.49 : 55,303.08 = 22,169.90 : x
  2. Step 2: Convert to fraction form
    40,075.49/55,303.08 = 22,169.90/x
  3. Step 3: Cross multiply
    40,075.49x = 55,303.08 × 22,169.90
  4. Step 4: Simplify right side
    40,075.49x = 1,226,063,753.29
  5. Step 5: Solve for x
    x = 1,226,063,753.29/40,075.49
  6. Step 6: Final answer
    x = 30,593.86

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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.