Home / 31,444.45-43,411.29-20,848.43

Finding the Fourth Proportional to 31,444.45, 43,411.29 and 20,848.43

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Solution

The fourth proportional to 31,444.45, 43,411.29 and 20,848.43 is: 28,782.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,444.45 : 43,411.29 = 20,848.43 : x
  2. Step 2: Convert to fraction form
    31,444.45/43,411.29 = 20,848.43/x
  3. Step 3: Cross multiply
    31,444.45x = 43,411.29 × 20,848.43
  4. Step 4: Simplify right side
    31,444.45x = 905,057,240.77
  5. Step 5: Solve for x
    x = 905,057,240.77/31,444.45
  6. Step 6: Final answer
    x = 28,782.73

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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.