Home / 49,782.42-68,699.21-28,565.01

Finding the Fourth Proportional to 49,782.42, 68,699.21 and 28,565.01

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Solution

The fourth proportional to 49,782.42, 68,699.21 and 28,565.01 is: 39,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,782.42 : 68,699.21 = 28,565.01 : x
  2. Step 2: Convert to fraction form
    49,782.42/68,699.21 = 28,565.01/x
  3. Step 3: Cross multiply
    49,782.42x = 68,699.21 × 28,565.01
  4. Step 4: Simplify right side
    49,782.42x = 1,962,393,477.82
  5. Step 5: Solve for x
    x = 1,962,393,477.82/49,782.42
  6. Step 6: Final answer
    x = 39,419.41

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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.