Home / 31,804.62-43,898.36-18,383.67

Finding the Fourth Proportional to 31,804.62, 43,898.36 and 18,383.67

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Solution

The fourth proportional to 31,804.62, 43,898.36 and 18,383.67 is: 25,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,804.62 : 43,898.36 = 18,383.67 : x
  2. Step 2: Convert to fraction form
    31,804.62/43,898.36 = 18,383.67/x
  3. Step 3: Cross multiply
    31,804.62x = 43,898.36 × 18,383.67
  4. Step 4: Simplify right side
    31,804.62x = 807,012,871.86
  5. Step 5: Solve for x
    x = 807,012,871.86/31,804.62
  6. Step 6: Final answer
    x = 25,374.08

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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.