Home / 40,295.82-55,607.12-22,390.37

Finding the Fourth Proportional to 40,295.82, 55,607.12 and 22,390.37

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Solution

The fourth proportional to 40,295.82, 55,607.12 and 22,390.37 is: 30,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,295.82 : 55,607.12 = 22,390.37 : x
  2. Step 2: Convert to fraction form
    40,295.82/55,607.12 = 22,390.37/x
  3. Step 3: Cross multiply
    40,295.82x = 55,607.12 × 22,390.37
  4. Step 4: Simplify right side
    40,295.82x = 1,245,063,601.45
  5. Step 5: Solve for x
    x = 1,245,063,601.45/40,295.82
  6. Step 6: Final answer
    x = 30,898.08

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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.