Home / 39,427.67-54,411.06-22,431.23

Finding the Fourth Proportional to 39,427.67, 54,411.06 and 22,431.23

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Solution

The fourth proportional to 39,427.67, 54,411.06 and 22,431.23 is: 30,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.67 : 54,411.06 = 22,431.23 : x
  2. Step 2: Convert to fraction form
    39,427.67/54,411.06 = 22,431.23/x
  3. Step 3: Cross multiply
    39,427.67x = 54,411.06 × 22,431.23
  4. Step 4: Simplify right side
    39,427.67x = 1,220,507,137.43
  5. Step 5: Solve for x
    x = 1,220,507,137.43/39,427.67
  6. Step 6: Final answer
    x = 30,955.60

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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.