Home / 55,563.84-76,677.31-31,690.91

Finding the Fourth Proportional to 55,563.84, 76,677.31 and 31,690.91

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Solution

The fourth proportional to 55,563.84, 76,677.31 and 31,690.91 is: 43,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.84 : 76,677.31 = 31,690.91 : x
  2. Step 2: Convert to fraction form
    55,563.84/76,677.31 = 31,690.91/x
  3. Step 3: Cross multiply
    55,563.84x = 76,677.31 × 31,690.91
  4. Step 4: Simplify right side
    55,563.84x = 2,429,973,961.56
  5. Step 5: Solve for x
    x = 2,429,973,961.56/55,563.84
  6. Step 6: Final answer
    x = 43,733.01

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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.