Home / 55,441.37-76,509.06-30,290.87

Finding the Fourth Proportional to 55,441.37, 76,509.06 and 30,290.87

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Solution

The fourth proportional to 55,441.37, 76,509.06 and 30,290.87 is: 41,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,441.37 : 76,509.06 = 30,290.87 : x
  2. Step 2: Convert to fraction form
    55,441.37/76,509.06 = 30,290.87/x
  3. Step 3: Cross multiply
    55,441.37x = 76,509.06 × 30,290.87
  4. Step 4: Simplify right side
    55,441.37x = 2,317,525,607.74
  5. Step 5: Solve for x
    x = 2,317,525,607.74/55,441.37
  6. Step 6: Final answer
    x = 41,801.38

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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.