Home / 31,208.96-46,743.12-21,890.48

Finding the Fourth Proportional to 31,208.96, 46,743.12 and 21,890.48

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Solution

The fourth proportional to 31,208.96, 46,743.12 and 21,890.48 is: 32,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,208.96 : 46,743.12 = 21,890.48 : x
  2. Step 2: Convert to fraction form
    31,208.96/46,743.12 = 21,890.48/x
  3. Step 3: Cross multiply
    31,208.96x = 46,743.12 × 21,890.48
  4. Step 4: Simplify right side
    31,208.96x = 1,023,229,333.50
  5. Step 5: Solve for x
    x = 1,023,229,333.50/31,208.96
  6. Step 6: Final answer
    x = 32,786.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.