Home / 55,324.10-76,347.30-30,173.60

Finding the Fourth Proportional to 55,324.10, 76,347.30 and 30,173.60

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Solution

The fourth proportional to 55,324.10, 76,347.30 and 30,173.60 is: 41,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.10 : 76,347.30 = 30,173.60 : x
  2. Step 2: Convert to fraction form
    55,324.10/76,347.30 = 30,173.60/x
  3. Step 3: Cross multiply
    55,324.10x = 76,347.30 × 30,173.60
  4. Step 4: Simplify right side
    55,324.10x = 2,303,672,509.54
  5. Step 5: Solve for x
    x = 2,303,672,509.54/55,324.10
  6. Step 6: Final answer
    x = 41,639.59

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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.