Home / 30,289.35-45,443.33-15,508.65

Finding the Fourth Proportional to 30,289.35, 45,443.33 and 15,508.65

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Solution

The fourth proportional to 30,289.35, 45,443.33 and 15,508.65 is: 23,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.35 : 45,443.33 = 15,508.65 : x
  2. Step 2: Convert to fraction form
    30,289.35/45,443.33 = 15,508.65/x
  3. Step 3: Cross multiply
    30,289.35x = 45,443.33 × 15,508.65
  4. Step 4: Simplify right side
    30,289.35x = 704,764,395.04
  5. Step 5: Solve for x
    x = 704,764,395.04/30,289.35
  6. Step 6: Final answer
    x = 23,267.73

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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.