Home / 39,427.34-54,409.25-22,431.54

Finding the Fourth Proportional to 39,427.34, 54,409.25 and 22,431.54

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Solution

The fourth proportional to 39,427.34, 54,409.25 and 22,431.54 is: 30,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.34 : 54,409.25 = 22,431.54 : x
  2. Step 2: Convert to fraction form
    39,427.34/54,409.25 = 22,431.54/x
  3. Step 3: Cross multiply
    39,427.34x = 54,409.25 × 22,431.54
  4. Step 4: Simplify right side
    39,427.34x = 1,220,483,267.75
  5. Step 5: Solve for x
    x = 1,220,483,267.75/39,427.34
  6. Step 6: Final answer
    x = 30,955.25

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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.