Home / 32,709.20-49,063.80-18,885.20

Finding the Fourth Proportional to 32,709.20, 49,063.80 and 18,885.20

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Solution

The fourth proportional to 32,709.20, 49,063.80 and 18,885.20 is: 28,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.20 : 49,063.80 = 18,885.20 : x
  2. Step 2: Convert to fraction form
    32,709.20/49,063.80 = 18,885.20/x
  3. Step 3: Cross multiply
    32,709.20x = 49,063.80 × 18,885.20
  4. Step 4: Simplify right side
    32,709.20x = 926,579,675.76
  5. Step 5: Solve for x
    x = 926,579,675.76/32,709.20
  6. Step 6: Final answer
    x = 28,327.80

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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.