Home / 37,785.40-56,678.10-34,415.80

Finding the Fourth Proportional to 37,785.40, 56,678.10 and 34,415.80

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Solution

The fourth proportional to 37,785.40, 56,678.10 and 34,415.80 is: 51,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,785.40 : 56,678.10 = 34,415.80 : x
  2. Step 2: Convert to fraction form
    37,785.40/56,678.10 = 34,415.80/x
  3. Step 3: Cross multiply
    37,785.40x = 56,678.10 × 34,415.80
  4. Step 4: Simplify right side
    37,785.40x = 1,950,622,153.98
  5. Step 5: Solve for x
    x = 1,950,622,153.98/37,785.40
  6. Step 6: Final answer
    x = 51,623.70

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Similar ratio
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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.