Home / 55,017.40-82,512.86-25,406.76

Finding the Fourth Proportional to 55,017.40, 82,512.86 and 25,406.76

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Solution

The fourth proportional to 55,017.40, 82,512.86 and 25,406.76 is: 38,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017.40 : 82,512.86 = 25,406.76 : x
  2. Step 2: Convert to fraction form
    55,017.40/82,512.86 = 25,406.76/x
  3. Step 3: Cross multiply
    55,017.40x = 82,512.86 × 25,406.76
  4. Step 4: Simplify right side
    55,017.40x = 2,096,384,430.93
  5. Step 5: Solve for x
    x = 2,096,384,430.93/55,017.40
  6. Step 6: Final answer
    x = 38,104.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.