Home / 30,289.41-45,443.42-15,508.71

Finding the Fourth Proportional to 30,289.41, 45,443.42 and 15,508.71

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Solution

The fourth proportional to 30,289.41, 45,443.42 and 15,508.71 is: 23,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.41 : 45,443.42 = 15,508.71 : x
  2. Step 2: Convert to fraction form
    30,289.41/45,443.42 = 15,508.71/x
  3. Step 3: Cross multiply
    30,289.41x = 45,443.42 × 15,508.71
  4. Step 4: Simplify right side
    30,289.41x = 704,768,822.19
  5. Step 5: Solve for x
    x = 704,768,822.19/30,289.41
  6. Step 6: Final answer
    x = 23,267.83

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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.