Home / 40,427.60-55,783.44-22,518.56

Finding the Fourth Proportional to 40,427.60, 55,783.44 and 22,518.56

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Solution

The fourth proportional to 40,427.60, 55,783.44 and 22,518.56 is: 31,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,427.60 : 55,783.44 = 22,518.56 : x
  2. Step 2: Convert to fraction form
    40,427.60/55,783.44 = 22,518.56/x
  3. Step 3: Cross multiply
    40,427.60x = 55,783.44 × 22,518.56
  4. Step 4: Simplify right side
    40,427.60x = 1,256,162,740.65
  5. Step 5: Solve for x
    x = 1,256,162,740.65/40,427.60
  6. Step 6: Final answer
    x = 31,071.91

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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.