Home / 32,109.53-44,311.41-18,688.55

Finding the Fourth Proportional to 32,109.53, 44,311.41 and 18,688.55

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Solution

The fourth proportional to 32,109.53, 44,311.41 and 18,688.55 is: 25,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,109.53 : 44,311.41 = 18,688.55 : x
  2. Step 2: Convert to fraction form
    32,109.53/44,311.41 = 18,688.55/x
  3. Step 3: Cross multiply
    32,109.53x = 44,311.41 × 18,688.55
  4. Step 4: Simplify right side
    32,109.53x = 828,115,779.80
  5. Step 5: Solve for x
    x = 828,115,779.80/32,109.53
  6. Step 6: Final answer
    x = 25,790.35

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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.