Home / 40,758.72-61,047.75-31,329.30

Finding the Fourth Proportional to 40,758.72, 61,047.75 and 31,329.30

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Solution

The fourth proportional to 40,758.72, 61,047.75 and 31,329.30 is: 46,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.72 : 61,047.75 = 31,329.30 : x
  2. Step 2: Convert to fraction form
    40,758.72/61,047.75 = 31,329.30/x
  3. Step 3: Cross multiply
    40,758.72x = 61,047.75 × 31,329.30
  4. Step 4: Simplify right side
    40,758.72x = 1,912,583,274.08
  5. Step 5: Solve for x
    x = 1,912,583,274.08/40,758.72
  6. Step 6: Final answer
    x = 46,924.52

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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.