Home / 32,379.96-44,675.04-20,447.16

Finding the Fourth Proportional to 32,379.96, 44,675.04 and 20,447.16

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Solution

The fourth proportional to 32,379.96, 44,675.04 and 20,447.16 is: 28,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.96 : 44,675.04 = 20,447.16 : x
  2. Step 2: Convert to fraction form
    32,379.96/44,675.04 = 20,447.16/x
  3. Step 3: Cross multiply
    32,379.96x = 44,675.04 × 20,447.16
  4. Step 4: Simplify right side
    32,379.96x = 913,477,690.89
  5. Step 5: Solve for x
    x = 913,477,690.89/32,379.96
  6. Step 6: Final answer
    x = 28,211.21

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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.