Home / 48,313.67-66,673.55-29,190.78

Finding the Fourth Proportional to 48,313.67, 66,673.55 and 29,190.78

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Solution

The fourth proportional to 48,313.67, 66,673.55 and 29,190.78 is: 40,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,313.67 : 66,673.55 = 29,190.78 : x
  2. Step 2: Convert to fraction form
    48,313.67/66,673.55 = 29,190.78/x
  3. Step 3: Cross multiply
    48,313.67x = 66,673.55 × 29,190.78
  4. Step 4: Simplify right side
    48,313.67x = 1,946,252,929.87
  5. Step 5: Solve for x
    x = 1,946,252,929.87/48,313.67
  6. Step 6: Final answer
    x = 40,283.69

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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.