Home / 36,782.57-55,174.37-10,487.31

Finding the Fourth Proportional to 36,782.57, 55,174.37 and 10,487.31

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Solution

The fourth proportional to 36,782.57, 55,174.37 and 10,487.31 is: 15,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,782.57 : 55,174.37 = 10,487.31 : x
  2. Step 2: Convert to fraction form
    36,782.57/55,174.37 = 10,487.31/x
  3. Step 3: Cross multiply
    36,782.57x = 55,174.37 × 10,487.31
  4. Step 4: Simplify right side
    36,782.57x = 578,630,801.33
  5. Step 5: Solve for x
    x = 578,630,801.33/36,782.57
  6. Step 6: Final answer
    x = 15,731.11

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1.5x scale

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.