Home / 30,498.15-45,747.24-20,034.30

Finding the Fourth Proportional to 30,498.15, 45,747.24 and 20,034.30

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Solution

The fourth proportional to 30,498.15, 45,747.24 and 20,034.30 is: 30,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498.15 : 45,747.24 = 20,034.30 : x
  2. Step 2: Convert to fraction form
    30,498.15/45,747.24 = 20,034.30/x
  3. Step 3: Cross multiply
    30,498.15x = 45,747.24 × 20,034.30
  4. Step 4: Simplify right side
    30,498.15x = 916,513,930.33
  5. Step 5: Solve for x
    x = 916,513,930.33/30,498.15
  6. Step 6: Final answer
    x = 30,051.46

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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.