Home / 55,406.28-76,450.52-31,203.48

Finding the Fourth Proportional to 55,406.28, 76,450.52 and 31,203.48

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Solution

The fourth proportional to 55,406.28, 76,450.52 and 31,203.48 is: 43,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406.28 : 76,450.52 = 31,203.48 : x
  2. Step 2: Convert to fraction form
    55,406.28/76,450.52 = 31,203.48/x
  3. Step 3: Cross multiply
    55,406.28x = 76,450.52 × 31,203.48
  4. Step 4: Simplify right side
    55,406.28x = 2,385,522,271.81
  5. Step 5: Solve for x
    x = 2,385,522,271.81/55,406.28
  6. Step 6: Final answer
    x = 43,055.09

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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.