Home / 53,856.81-74,311.11-31,194.42

Finding the Fourth Proportional to 53,856.81, 74,311.11 and 31,194.42

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Solution

The fourth proportional to 53,856.81, 74,311.11 and 31,194.42 is: 43,041.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.81 : 74,311.11 = 31,194.42 : x
  2. Step 2: Convert to fraction form
    53,856.81/74,311.11 = 31,194.42/x
  3. Step 3: Cross multiply
    53,856.81x = 74,311.11 × 31,194.42
  4. Step 4: Simplify right side
    53,856.81x = 2,318,091,976.01
  5. Step 5: Solve for x
    x = 2,318,091,976.01/53,856.81
  6. Step 6: Final answer
    x = 43,041.76

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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.