Home / 30,885.33-46,339.03-12,154.99

Finding the Fourth Proportional to 30,885.33, 46,339.03 and 12,154.99

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Solution

The fourth proportional to 30,885.33, 46,339.03 and 12,154.99 is: 18,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.33 : 46,339.03 = 12,154.99 : x
  2. Step 2: Convert to fraction form
    30,885.33/46,339.03 = 12,154.99/x
  3. Step 3: Cross multiply
    30,885.33x = 46,339.03 × 12,154.99
  4. Step 4: Simplify right side
    30,885.33x = 563,250,446.26
  5. Step 5: Solve for x
    x = 563,250,446.26/30,885.33
  6. Step 6: Final answer
    x = 18,236.83

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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.