Home / 30,419.38-45,591.40-17,231.77

Finding the Fourth Proportional to 30,419.38, 45,591.40 and 17,231.77

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Solution

The fourth proportional to 30,419.38, 45,591.40 and 17,231.77 is: 25,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.38 : 45,591.40 = 17,231.77 : x
  2. Step 2: Convert to fraction form
    30,419.38/45,591.40 = 17,231.77/x
  3. Step 3: Cross multiply
    30,419.38x = 45,591.40 × 17,231.77
  4. Step 4: Simplify right side
    30,419.38x = 785,620,518.78
  5. Step 5: Solve for x
    x = 785,620,518.78/30,419.38
  6. Step 6: Final answer
    x = 25,826.32

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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.