Home / 58,321.32-80,441.96-38,930.45

Finding the Fourth Proportional to 58,321.32, 80,441.96 and 38,930.45

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Solution

The fourth proportional to 58,321.32, 80,441.96 and 38,930.45 is: 53,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,321.32 : 80,441.96 = 38,930.45 : x
  2. Step 2: Convert to fraction form
    58,321.32/80,441.96 = 38,930.45/x
  3. Step 3: Cross multiply
    58,321.32x = 80,441.96 × 38,930.45
  4. Step 4: Simplify right side
    58,321.32x = 3,131,641,701.68
  5. Step 5: Solve for x
    x = 3,131,641,701.68/58,321.32
  6. Step 6: Final answer
    x = 53,696.34

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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.