Home / 36,289.92-50,078.40-21,383.04

Finding the Fourth Proportional to 36,289.92, 50,078.40 and 21,383.04

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Solution

The fourth proportional to 36,289.92, 50,078.40 and 21,383.04 is: 29,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.92 : 50,078.40 = 21,383.04 : x
  2. Step 2: Convert to fraction form
    36,289.92/50,078.40 = 21,383.04/x
  3. Step 3: Cross multiply
    36,289.92x = 50,078.40 × 21,383.04
  4. Step 4: Simplify right side
    36,289.92x = 1,070,828,430.34
  5. Step 5: Solve for x
    x = 1,070,828,430.34/36,289.92
  6. Step 6: Final answer
    x = 29,507.60

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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.