Home / 30,160.84-45,256.25-13,532.62

Finding the Fourth Proportional to 30,160.84, 45,256.25 and 13,532.62

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Solution

The fourth proportional to 30,160.84, 45,256.25 and 13,532.62 is: 20,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.84 : 45,256.25 = 13,532.62 : x
  2. Step 2: Convert to fraction form
    30,160.84/45,256.25 = 13,532.62/x
  3. Step 3: Cross multiply
    30,160.84x = 45,256.25 × 13,532.62
  4. Step 4: Simplify right side
    30,160.84x = 612,435,633.88
  5. Step 5: Solve for x
    x = 612,435,633.88/30,160.84
  6. Step 6: Final answer
    x = 20,305.66

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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.