Home / 36,702.83-50,650.85-20,787.05

Finding the Fourth Proportional to 36,702.83, 50,650.85 and 20,787.05

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Solution

The fourth proportional to 36,702.83, 50,650.85 and 20,787.05 is: 28,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.83 : 50,650.85 = 20,787.05 : x
  2. Step 2: Convert to fraction form
    36,702.83/50,650.85 = 20,787.05/x
  3. Step 3: Cross multiply
    36,702.83x = 50,650.85 × 20,787.05
  4. Step 4: Simplify right side
    36,702.83x = 1,052,881,647.56
  5. Step 5: Solve for x
    x = 1,052,881,647.56/36,702.83
  6. Step 6: Final answer
    x = 28,686.66

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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.