Home / 53,861.28-74,317.32-31,198.92

Finding the Fourth Proportional to 53,861.28, 74,317.32 and 31,198.92

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Solution

The fourth proportional to 53,861.28, 74,317.32 and 31,198.92 is: 43,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.28 : 74,317.32 = 31,198.92 : x
  2. Step 2: Convert to fraction form
    53,861.28/74,317.32 = 31,198.92/x
  3. Step 3: Cross multiply
    53,861.28x = 74,317.32 × 31,198.92
  4. Step 4: Simplify right side
    53,861.28x = 2,318,620,121.29
  5. Step 5: Solve for x
    x = 2,318,620,121.29/53,861.28
  6. Step 6: Final answer
    x = 43,048.00

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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.