Home / 37,220.72-55,838.77-12,262.30

Finding the Fourth Proportional to 37,220.72, 55,838.77 and 12,262.30

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Solution

The fourth proportional to 37,220.72, 55,838.77 and 12,262.30 is: 18,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.72 : 55,838.77 = 12,262.30 : x
  2. Step 2: Convert to fraction form
    37,220.72/55,838.77 = 12,262.30/x
  3. Step 3: Cross multiply
    37,220.72x = 55,838.77 × 12,262.30
  4. Step 4: Simplify right side
    37,220.72x = 684,711,579.12
  5. Step 5: Solve for x
    x = 684,711,579.12/37,220.72
  6. Step 6: Final answer
    x = 18,395.98

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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.