Home / 47,861.76-66,047.68-26,640.32

Finding the Fourth Proportional to 47,861.76, 66,047.68 and 26,640.32

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Solution

The fourth proportional to 47,861.76, 66,047.68 and 26,640.32 is: 36,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.76 : 66,047.68 = 26,640.32 : x
  2. Step 2: Convert to fraction form
    47,861.76/66,047.68 = 26,640.32/x
  3. Step 3: Cross multiply
    47,861.76x = 66,047.68 × 26,640.32
  4. Step 4: Simplify right side
    47,861.76x = 1,759,531,330.46
  5. Step 5: Solve for x
    x = 1,759,531,330.46/47,861.76
  6. Step 6: Final answer
    x = 36,762.78

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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.