Home / 39,040.96-58,500.12-30,178

Finding the Fourth Proportional to 39,040.96, 58,500.12 and 30,178

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Solution

The fourth proportional to 39,040.96, 58,500.12 and 30,178 is: 45,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.96 : 58,500.12 = 30,178 : x
  2. Step 2: Convert to fraction form
    39,040.96/58,500.12 = 30,178/x
  3. Step 3: Cross multiply
    39,040.96x = 58,500.12 × 30,178
  4. Step 4: Simplify right side
    39,040.96x = 1,765,416,621.36
  5. Step 5: Solve for x
    x = 1,765,416,621.36/39,040.96
  6. Step 6: Final answer
    x = 45,219.60

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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.