Home / 55,211.36-76,172.26-36,102.31

Finding the Fourth Proportional to 55,211.36, 76,172.26 and 36,102.31

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Solution

The fourth proportional to 55,211.36, 76,172.26 and 36,102.31 is: 49,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.36 : 76,172.26 = 36,102.31 : x
  2. Step 2: Convert to fraction form
    55,211.36/76,172.26 = 36,102.31/x
  3. Step 3: Cross multiply
    55,211.36x = 76,172.26 × 36,102.31
  4. Step 4: Simplify right side
    55,211.36x = 2,749,994,545.16
  5. Step 5: Solve for x
    x = 2,749,994,545.16/55,211.36
  6. Step 6: Final answer
    x = 49,808.50

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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.