Home / 37,614.80-56,422.20-20,075.60

Finding the Fourth Proportional to 37,614.80, 56,422.20 and 20,075.60

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Solution

The fourth proportional to 37,614.80, 56,422.20 and 20,075.60 is: 30,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,614.80 : 56,422.20 = 20,075.60 : x
  2. Step 2: Convert to fraction form
    37,614.80/56,422.20 = 20,075.60/x
  3. Step 3: Cross multiply
    37,614.80x = 56,422.20 × 20,075.60
  4. Step 4: Simplify right side
    37,614.80x = 1,132,709,518.32
  5. Step 5: Solve for x
    x = 1,132,709,518.32/37,614.80
  6. Step 6: Final answer
    x = 30,113.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.