Home / 37,528.46-51,782.09-21,395.47

Finding the Fourth Proportional to 37,528.46, 51,782.09 and 21,395.47

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Solution

The fourth proportional to 37,528.46, 51,782.09 and 21,395.47 is: 29,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,528.46 : 51,782.09 = 21,395.47 : x
  2. Step 2: Convert to fraction form
    37,528.46/51,782.09 = 21,395.47/x
  3. Step 3: Cross multiply
    37,528.46x = 51,782.09 × 21,395.47
  4. Step 4: Simplify right side
    37,528.46x = 1,107,901,868.15
  5. Step 5: Solve for x
    x = 1,107,901,868.15/37,528.46
  6. Step 6: Final answer
    x = 29,521.64

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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.