Home / 37,020.20-55,530.30-25,210.40

Finding the Fourth Proportional to 37,020.20, 55,530.30 and 25,210.40

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Solution

The fourth proportional to 37,020.20, 55,530.30 and 25,210.40 is: 37,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020.20 : 55,530.30 = 25,210.40 : x
  2. Step 2: Convert to fraction form
    37,020.20/55,530.30 = 25,210.40/x
  3. Step 3: Cross multiply
    37,020.20x = 55,530.30 × 25,210.40
  4. Step 4: Simplify right side
    37,020.20x = 1,399,941,075.12
  5. Step 5: Solve for x
    x = 1,399,941,075.12/37,020.20
  6. Step 6: Final answer
    x = 37,815.60

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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.