Home / 48,790.64-67,311.16-38,678.50

Finding the Fourth Proportional to 48,790.64, 67,311.16 and 38,678.50

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Solution

The fourth proportional to 48,790.64, 67,311.16 and 38,678.50 is: 53,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,790.64 : 67,311.16 = 38,678.50 : x
  2. Step 2: Convert to fraction form
    48,790.64/67,311.16 = 38,678.50/x
  3. Step 3: Cross multiply
    48,790.64x = 67,311.16 × 38,678.50
  4. Step 4: Simplify right side
    48,790.64x = 2,603,494,702.06
  5. Step 5: Solve for x
    x = 2,603,494,702.06/48,790.64
  6. Step 6: Final answer
    x = 53,360.54

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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.