Home / 38,956.06-58,485.93-20,501.02

Finding the Fourth Proportional to 38,956.06, 58,485.93 and 20,501.02

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Solution

The fourth proportional to 38,956.06, 58,485.93 and 20,501.02 is: 30,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.06 : 58,485.93 = 20,501.02 : x
  2. Step 2: Convert to fraction form
    38,956.06/58,485.93 = 20,501.02/x
  3. Step 3: Cross multiply
    38,956.06x = 58,485.93 × 20,501.02
  4. Step 4: Simplify right side
    38,956.06x = 1,199,020,997.55
  5. Step 5: Solve for x
    x = 1,199,020,997.55/38,956.06
  6. Step 6: Final answer
    x = 30,778.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.