Home / 57,631.80-79,538.72-32,142.32

Finding the Fourth Proportional to 57,631.80, 79,538.72 and 32,142.32

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Solution

The fourth proportional to 57,631.80, 79,538.72 and 32,142.32 is: 44,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.80 : 79,538.72 = 32,142.32 : x
  2. Step 2: Convert to fraction form
    57,631.80/79,538.72 = 32,142.32/x
  3. Step 3: Cross multiply
    57,631.80x = 79,538.72 × 32,142.32
  4. Step 4: Simplify right side
    57,631.80x = 2,556,558,990.63
  5. Step 5: Solve for x
    x = 2,556,558,990.63/57,631.80
  6. Step 6: Final answer
    x = 44,360.21

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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.