Home / 55,323.61-76,346.96-31,450.28

Finding the Fourth Proportional to 55,323.61, 76,346.96 and 31,450.28

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Solution

The fourth proportional to 55,323.61, 76,346.96 and 31,450.28 is: 43,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323.61 : 76,346.96 = 31,450.28 : x
  2. Step 2: Convert to fraction form
    55,323.61/76,346.96 = 31,450.28/x
  3. Step 3: Cross multiply
    55,323.61x = 76,346.96 × 31,450.28
  4. Step 4: Simplify right side
    55,323.61x = 2,401,132,730.16
  5. Step 5: Solve for x
    x = 2,401,132,730.16/55,323.61
  6. Step 6: Final answer
    x = 43,401.59

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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.