Home / 55,301.40-76,315.92-30,150.90

Finding the Fourth Proportional to 55,301.40, 76,315.92 and 30,150.90

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Solution

The fourth proportional to 55,301.40, 76,315.92 and 30,150.90 is: 41,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.40 : 76,315.92 = 30,150.90 : x
  2. Step 2: Convert to fraction form
    55,301.40/76,315.92 = 30,150.90/x
  3. Step 3: Cross multiply
    55,301.40x = 76,315.92 × 30,150.90
  4. Step 4: Simplify right side
    55,301.40x = 2,300,993,672.33
  5. Step 5: Solve for x
    x = 2,300,993,672.33/55,301.40
  6. Step 6: Final answer
    x = 41,608.24

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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.