Home / 29,085.81-43,628.73-8,309.31

Finding the Fourth Proportional to 29,085.81, 43,628.73 and 8,309.31

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Solution

The fourth proportional to 29,085.81, 43,628.73 and 8,309.31 is: 12,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.81 : 43,628.73 = 8,309.31 : x
  2. Step 2: Convert to fraction form
    29,085.81/43,628.73 = 8,309.31/x
  3. Step 3: Cross multiply
    29,085.81x = 43,628.73 × 8,309.31
  4. Step 4: Simplify right side
    29,085.81x = 362,524,570.41
  5. Step 5: Solve for x
    x = 362,524,570.41/29,085.81
  6. Step 6: Final answer
    x = 12,463.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.