Home / 55,604.08-76,734.12-31,730.50

Finding the Fourth Proportional to 55,604.08, 76,734.12 and 31,730.50

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Solution

The fourth proportional to 55,604.08, 76,734.12 and 31,730.50 is: 43,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.08 : 76,734.12 = 31,730.50 : x
  2. Step 2: Convert to fraction form
    55,604.08/76,734.12 = 31,730.50/x
  3. Step 3: Cross multiply
    55,604.08x = 76,734.12 × 31,730.50
  4. Step 4: Simplify right side
    55,604.08x = 2,434,811,994.66
  5. Step 5: Solve for x
    x = 2,434,811,994.66/55,604.08
  6. Step 6: Final answer
    x = 43,788.37

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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.