Home / 37,170.63-55,764.72-12,210.75

Finding the Fourth Proportional to 37,170.63, 55,764.72 and 12,210.75

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Solution

The fourth proportional to 37,170.63, 55,764.72 and 12,210.75 is: 18,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.63 : 55,764.72 = 12,210.75 : x
  2. Step 2: Convert to fraction form
    37,170.63/55,764.72 = 12,210.75/x
  3. Step 3: Cross multiply
    37,170.63x = 55,764.72 × 12,210.75
  4. Step 4: Simplify right side
    37,170.63x = 680,929,054.74
  5. Step 5: Solve for x
    x = 680,929,054.74/37,170.63
  6. Step 6: Final answer
    x = 18,319.01

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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.