Home / 39,436.98-54,427.81-22,445.36

Finding the Fourth Proportional to 39,436.98, 54,427.81 and 22,445.36

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Solution

The fourth proportional to 39,436.98, 54,427.81 and 22,445.36 is: 30,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,436.98 : 54,427.81 = 22,445.36 : x
  2. Step 2: Convert to fraction form
    39,436.98/54,427.81 = 22,445.36/x
  3. Step 3: Cross multiply
    39,436.98x = 54,427.81 × 22,445.36
  4. Step 4: Simplify right side
    39,436.98x = 1,221,651,405.10
  5. Step 5: Solve for x
    x = 1,221,651,405.10/39,436.98
  6. Step 6: Final answer
    x = 30,977.31

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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.