Home / 37,580.04-56,371.43-12,620.90

Finding the Fourth Proportional to 37,580.04, 56,371.43 and 12,620.90

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Solution

The fourth proportional to 37,580.04, 56,371.43 and 12,620.90 is: 18,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,580.04 : 56,371.43 = 12,620.90 : x
  2. Step 2: Convert to fraction form
    37,580.04/56,371.43 = 12,620.90/x
  3. Step 3: Cross multiply
    37,580.04x = 56,371.43 × 12,620.90
  4. Step 4: Simplify right side
    37,580.04x = 711,458,180.89
  5. Step 5: Solve for x
    x = 711,458,180.89/37,580.04
  6. Step 6: Final answer
    x = 18,931.81

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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.