Home / 54,380.72-75,045.50-30,507.37

Finding the Fourth Proportional to 54,380.72, 75,045.50 and 30,507.37

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Solution

The fourth proportional to 54,380.72, 75,045.50 and 30,507.37 is: 42,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.72 : 75,045.50 = 30,507.37 : x
  2. Step 2: Convert to fraction form
    54,380.72/75,045.50 = 30,507.37/x
  3. Step 3: Cross multiply
    54,380.72x = 75,045.50 × 30,507.37
  4. Step 4: Simplify right side
    54,380.72x = 2,289,440,835.34
  5. Step 5: Solve for x
    x = 2,289,440,835.34/54,380.72
  6. Step 6: Final answer
    x = 42,100.23

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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.