Home / 47,520.95-65,571.84-28,863.35

Finding the Fourth Proportional to 47,520.95, 65,571.84 and 28,863.35

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Solution

The fourth proportional to 47,520.95, 65,571.84 and 28,863.35 is: 39,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,520.95 : 65,571.84 = 28,863.35 : x
  2. Step 2: Convert to fraction form
    47,520.95/65,571.84 = 28,863.35/x
  3. Step 3: Cross multiply
    47,520.95x = 65,571.84 × 28,863.35
  4. Step 4: Simplify right side
    47,520.95x = 1,892,622,640.20
  5. Step 5: Solve for x
    x = 1,892,622,640.20/47,520.95
  6. Step 6: Final answer
    x = 39,827.13

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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.