Home / 40,427.54-55,788.89-22,521.45

Finding the Fourth Proportional to 40,427.54, 55,788.89 and 22,521.45

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Solution

The fourth proportional to 40,427.54, 55,788.89 and 22,521.45 is: 31,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.54 : 55,788.89 = 22,521.45 : x
  2. Step 2: Convert to fraction form
    40,427.54/55,788.89 = 22,521.45/x
  3. Step 3: Cross multiply
    40,427.54x = 55,788.89 × 22,521.45
  4. Step 4: Simplify right side
    40,427.54x = 1,256,446,584.08
  5. Step 5: Solve for x
    x = 1,256,446,584.08/40,427.54
  6. Step 6: Final answer
    x = 31,078.98

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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.