Home / 30,521.08-45,774.44-8,329.18

Finding the Fourth Proportional to 30,521.08, 45,774.44 and 8,329.18

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Solution

The fourth proportional to 30,521.08, 45,774.44 and 8,329.18 is: 12,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.08 : 45,774.44 = 8,329.18 : x
  2. Step 2: Convert to fraction form
    30,521.08/45,774.44 = 8,329.18/x
  3. Step 3: Cross multiply
    30,521.08x = 45,774.44 × 8,329.18
  4. Step 4: Simplify right side
    30,521.08x = 381,263,508.51
  5. Step 5: Solve for x
    x = 381,263,508.51/30,521.08
  6. Step 6: Final answer
    x = 12,491.81

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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.