Home / 54,609.20-75,360.53-30,735.87

Finding the Fourth Proportional to 54,609.20, 75,360.53 and 30,735.87

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Solution

The fourth proportional to 54,609.20, 75,360.53 and 30,735.87 is: 42,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.20 : 75,360.53 = 30,735.87 : x
  2. Step 2: Convert to fraction form
    54,609.20/75,360.53 = 30,735.87/x
  3. Step 3: Cross multiply
    54,609.20x = 75,360.53 × 30,735.87
  4. Step 4: Simplify right side
    54,609.20x = 2,316,271,530.05
  5. Step 5: Solve for x
    x = 2,316,271,530.05/54,609.20
  6. Step 6: Final answer
    x = 42,415.41

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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.