Home / 39,763.07-59,644.62-18,687.64

Finding the Fourth Proportional to 39,763.07, 59,644.62 and 18,687.64

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Solution

The fourth proportional to 39,763.07, 59,644.62 and 18,687.64 is: 28,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,763.07 : 59,644.62 = 18,687.64 : x
  2. Step 2: Convert to fraction form
    39,763.07/59,644.62 = 18,687.64/x
  3. Step 3: Cross multiply
    39,763.07x = 59,644.62 × 18,687.64
  4. Step 4: Simplify right side
    39,763.07x = 1,114,617,186.50
  5. Step 5: Solve for x
    x = 1,114,617,186.50/39,763.07
  6. Step 6: Final answer
    x = 28,031.47

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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.