Home / 31,568.60-43,579.01-20,242.37

Finding the Fourth Proportional to 31,568.60, 43,579.01 and 20,242.37

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Solution

The fourth proportional to 31,568.60, 43,579.01 and 20,242.37 is: 27,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.60 : 43,579.01 = 20,242.37 : x
  2. Step 2: Convert to fraction form
    31,568.60/43,579.01 = 20,242.37/x
  3. Step 3: Cross multiply
    31,568.60x = 43,579.01 × 20,242.37
  4. Step 4: Simplify right side
    31,568.60x = 882,142,444.65
  5. Step 5: Solve for x
    x = 882,142,444.65/31,568.60
  6. Step 6: Final answer
    x = 27,943.67

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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.