Home / 30,316.03-41,821.07-20,257.96

Finding the Fourth Proportional to 30,316.03, 41,821.07 and 20,257.96

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Solution

The fourth proportional to 30,316.03, 41,821.07 and 20,257.96 is: 27,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.03 : 41,821.07 = 20,257.96 : x
  2. Step 2: Convert to fraction form
    30,316.03/41,821.07 = 20,257.96/x
  3. Step 3: Cross multiply
    30,316.03x = 41,821.07 × 20,257.96
  4. Step 4: Simplify right side
    30,316.03x = 847,209,509.31
  5. Step 5: Solve for x
    x = 847,209,509.31/30,316.03
  6. Step 6: Final answer
    x = 27,945.93

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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.