Home / 30,429.12-45,641.76-10,709.44

Finding the Fourth Proportional to 30,429.12, 45,641.76 and 10,709.44

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Solution

The fourth proportional to 30,429.12, 45,641.76 and 10,709.44 is: 16,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429.12 : 45,641.76 = 10,709.44 : x
  2. Step 2: Convert to fraction form
    30,429.12/45,641.76 = 10,709.44/x
  3. Step 3: Cross multiply
    30,429.12x = 45,641.76 × 10,709.44
  4. Step 4: Simplify right side
    30,429.12x = 488,797,690.21
  5. Step 5: Solve for x
    x = 488,797,690.21/30,429.12
  6. Step 6: Final answer
    x = 16,063.48

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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.