Home / 53,450.10-80,202.84-38,780.10

Finding the Fourth Proportional to 53,450.10, 80,202.84 and 38,780.10

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Solution

The fourth proportional to 53,450.10, 80,202.84 and 38,780.10 is: 58,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.10 : 80,202.84 = 38,780.10 : x
  2. Step 2: Convert to fraction form
    53,450.10/80,202.84 = 38,780.10/x
  3. Step 3: Cross multiply
    53,450.10x = 80,202.84 × 38,780.10
  4. Step 4: Simplify right side
    53,450.10x = 3,110,274,155.48
  5. Step 5: Solve for x
    x = 3,110,274,155.48/53,450.10
  6. Step 6: Final answer
    x = 58,190.24

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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.