Home / 35,890.47-49,527.27-20,782.35

Finding the Fourth Proportional to 35,890.47, 49,527.27 and 20,782.35

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Solution

The fourth proportional to 35,890.47, 49,527.27 and 20,782.35 is: 28,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.47 : 49,527.27 = 20,782.35 : x
  2. Step 2: Convert to fraction form
    35,890.47/49,527.27 = 20,782.35/x
  3. Step 3: Cross multiply
    35,890.47x = 49,527.27 × 20,782.35
  4. Step 4: Simplify right side
    35,890.47x = 1,029,293,059.68
  5. Step 5: Solve for x
    x = 1,029,293,059.68/35,890.47
  6. Step 6: Final answer
    x = 28,678.73

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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.