Home / 55,080.74-76,005.25-31,202.30

Finding the Fourth Proportional to 55,080.74, 76,005.25 and 31,202.30

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Solution

The fourth proportional to 55,080.74, 76,005.25 and 31,202.30 is: 43,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.74 : 76,005.25 = 31,202.30 : x
  2. Step 2: Convert to fraction form
    55,080.74/76,005.25 = 31,202.30/x
  3. Step 3: Cross multiply
    55,080.74x = 76,005.25 × 31,202.30
  4. Step 4: Simplify right side
    55,080.74x = 2,371,538,076.04
  5. Step 5: Solve for x
    x = 2,371,538,076.04/55,080.74
  6. Step 6: Final answer
    x = 43,055.67

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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.