Home / 37,428.32-56,176.48-19,912.80

Finding the Fourth Proportional to 37,428.32, 56,176.48 and 19,912.80

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Solution

The fourth proportional to 37,428.32, 56,176.48 and 19,912.80 is: 29,887.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.32 : 56,176.48 = 19,912.80 : x
  2. Step 2: Convert to fraction form
    37,428.32/56,176.48 = 19,912.80/x
  3. Step 3: Cross multiply
    37,428.32x = 56,176.48 × 19,912.80
  4. Step 4: Simplify right side
    37,428.32x = 1,118,631,010.94
  5. Step 5: Solve for x
    x = 1,118,631,010.94/37,428.32
  6. Step 6: Final answer
    x = 29,887.29

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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.