Home / 55,331.72-76,352.64-31,453.73

Finding the Fourth Proportional to 55,331.72, 76,352.64 and 31,453.73

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Solution

The fourth proportional to 55,331.72, 76,352.64 and 31,453.73 is: 43,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331.72 : 76,352.64 = 31,453.73 : x
  2. Step 2: Convert to fraction form
    55,331.72/76,352.64 = 31,453.73/x
  3. Step 3: Cross multiply
    55,331.72x = 76,352.64 × 31,453.73
  4. Step 4: Simplify right side
    55,331.72x = 2,401,574,941.58
  5. Step 5: Solve for x
    x = 2,401,574,941.58/55,331.72
  6. Step 6: Final answer
    x = 43,403.23

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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.