Home / 53,406.20-73,724.10-31,903.40

Finding the Fourth Proportional to 53,406.20, 73,724.10 and 31,903.40

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Solution

The fourth proportional to 53,406.20, 73,724.10 and 31,903.40 is: 44,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406.20 : 73,724.10 = 31,903.40 : x
  2. Step 2: Convert to fraction form
    53,406.20/73,724.10 = 31,903.40/x
  3. Step 3: Cross multiply
    53,406.20x = 73,724.10 × 31,903.40
  4. Step 4: Simplify right side
    53,406.20x = 2,352,049,451.94
  5. Step 5: Solve for x
    x = 2,352,049,451.94/53,406.20
  6. Step 6: Final answer
    x = 44,040.76

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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.