Home / 36,038.21-49,705.36-31,010.85

Finding the Fourth Proportional to 36,038.21, 49,705.36 and 31,010.85

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Solution

The fourth proportional to 36,038.21, 49,705.36 and 31,010.85 is: 42,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.21 : 49,705.36 = 31,010.85 : x
  2. Step 2: Convert to fraction form
    36,038.21/49,705.36 = 31,010.85/x
  3. Step 3: Cross multiply
    36,038.21x = 49,705.36 × 31,010.85
  4. Step 4: Simplify right side
    36,038.21x = 1,541,405,385.63
  5. Step 5: Solve for x
    x = 1,541,405,385.63/36,038.21
  6. Step 6: Final answer
    x = 42,771.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.