Home / 31,271.92-43,162.84-19,328.06

Finding the Fourth Proportional to 31,271.92, 43,162.84 and 19,328.06

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Solution

The fourth proportional to 31,271.92, 43,162.84 and 19,328.06 is: 26,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.92 : 43,162.84 = 19,328.06 : x
  2. Step 2: Convert to fraction form
    31,271.92/43,162.84 = 19,328.06/x
  3. Step 3: Cross multiply
    31,271.92x = 43,162.84 × 19,328.06
  4. Step 4: Simplify right side
    31,271.92x = 834,254,093.36
  5. Step 5: Solve for x
    x = 834,254,093.36/31,271.92
  6. Step 6: Final answer
    x = 26,677.42

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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.