Home / 30,501.21-45,747.48-11,790.06

Finding the Fourth Proportional to 30,501.21, 45,747.48 and 11,790.06

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Solution

The fourth proportional to 30,501.21, 45,747.48 and 11,790.06 is: 17,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.21 : 45,747.48 = 11,790.06 : x
  2. Step 2: Convert to fraction form
    30,501.21/45,747.48 = 11,790.06/x
  3. Step 3: Cross multiply
    30,501.21x = 45,747.48 × 11,790.06
  4. Step 4: Simplify right side
    30,501.21x = 539,365,406.71
  5. Step 5: Solve for x
    x = 539,365,406.71/30,501.21
  6. Step 6: Final answer
    x = 17,683.41

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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.