Home / 37,658.99-51,967.17-21,528.05

Finding the Fourth Proportional to 37,658.99, 51,967.17 and 21,528.05

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Solution

The fourth proportional to 37,658.99, 51,967.17 and 21,528.05 is: 29,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,658.99 : 51,967.17 = 21,528.05 : x
  2. Step 2: Convert to fraction form
    37,658.99/51,967.17 = 21,528.05/x
  3. Step 3: Cross multiply
    37,658.99x = 51,967.17 × 21,528.05
  4. Step 4: Simplify right side
    37,658.99x = 1,118,751,574.28
  5. Step 5: Solve for x
    x = 1,118,751,574.28/37,658.99
  6. Step 6: Final answer
    x = 29,707.42

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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.