Home / 54,504.68-75,218.36-30,630.87

Finding the Fourth Proportional to 54,504.68, 75,218.36 and 30,630.87

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Solution

The fourth proportional to 54,504.68, 75,218.36 and 30,630.87 is: 42,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,504.68 : 75,218.36 = 30,630.87 : x
  2. Step 2: Convert to fraction form
    54,504.68/75,218.36 = 30,630.87/x
  3. Step 3: Cross multiply
    54,504.68x = 75,218.36 × 30,630.87
  4. Step 4: Simplify right side
    54,504.68x = 2,304,003,653.62
  5. Step 5: Solve for x
    x = 2,304,003,653.62/54,504.68
  6. Step 6: Final answer
    x = 42,271.67

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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.