Home / 50,636.40-69,879.96-31,783.92

Finding the Fourth Proportional to 50,636.40, 69,879.96 and 31,783.92

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Solution

The fourth proportional to 50,636.40, 69,879.96 and 31,783.92 is: 43,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,636.40 : 69,879.96 = 31,783.92 : x
  2. Step 2: Convert to fraction form
    50,636.40/69,879.96 = 31,783.92/x
  3. Step 3: Cross multiply
    50,636.40x = 69,879.96 × 31,783.92
  4. Step 4: Simplify right side
    50,636.40x = 2,221,059,058.24
  5. Step 5: Solve for x
    x = 2,221,059,058.24/50,636.40
  6. Step 6: Final answer
    x = 43,862.89

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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.