Home / 54,430.76-75,112.04-30,556.96

Finding the Fourth Proportional to 54,430.76, 75,112.04 and 30,556.96

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Solution

The fourth proportional to 54,430.76, 75,112.04 and 30,556.96 is: 42,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.76 : 75,112.04 = 30,556.96 : x
  2. Step 2: Convert to fraction form
    54,430.76/75,112.04 = 30,556.96/x
  3. Step 3: Cross multiply
    54,430.76x = 75,112.04 × 30,556.96
  4. Step 4: Simplify right side
    54,430.76x = 2,295,195,601.80
  5. Step 5: Solve for x
    x = 2,295,195,601.80/54,430.76
  6. Step 6: Final answer
    x = 42,167.25

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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.