Home / 47,585.06-65,738.48-31,270.85

Finding the Fourth Proportional to 47,585.06, 65,738.48 and 31,270.85

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Solution

The fourth proportional to 47,585.06, 65,738.48 and 31,270.85 is: 43,200.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,585.06 : 65,738.48 = 31,270.85 : x
  2. Step 2: Convert to fraction form
    47,585.06/65,738.48 = 31,270.85/x
  3. Step 3: Cross multiply
    47,585.06x = 65,738.48 × 31,270.85
  4. Step 4: Simplify right side
    47,585.06x = 2,055,697,662.26
  5. Step 5: Solve for x
    x = 2,055,697,662.26/47,585.06
  6. Step 6: Final answer
    x = 43,200.49

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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.