Home / 32,129.72-44,355.09-20,199.63

Finding the Fourth Proportional to 32,129.72, 44,355.09 and 20,199.63

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Solution

The fourth proportional to 32,129.72, 44,355.09 and 20,199.63 is: 27,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.72 : 44,355.09 = 20,199.63 : x
  2. Step 2: Convert to fraction form
    32,129.72/44,355.09 = 20,199.63/x
  3. Step 3: Cross multiply
    32,129.72x = 44,355.09 × 20,199.63
  4. Step 4: Simplify right side
    32,129.72x = 895,956,406.62
  5. Step 5: Solve for x
    x = 895,956,406.62/32,129.72
  6. Step 6: Final answer
    x = 27,885.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.