Home / 32,431.56-44,783.45-20,516.05

Finding the Fourth Proportional to 32,431.56, 44,783.45 and 20,516.05

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Solution

The fourth proportional to 32,431.56, 44,783.45 and 20,516.05 is: 28,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.56 : 44,783.45 = 20,516.05 : x
  2. Step 2: Convert to fraction form
    32,431.56/44,783.45 = 20,516.05/x
  3. Step 3: Cross multiply
    32,431.56x = 44,783.45 × 20,516.05
  4. Step 4: Simplify right side
    32,431.56x = 918,779,529.71
  5. Step 5: Solve for x
    x = 918,779,529.71/32,431.56
  6. Step 6: Final answer
    x = 28,329.80

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