Home / 44,515.37-66,780.35-21,133.91

Finding the Fourth Proportional to 44,515.37, 66,780.35 and 21,133.91

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Solution

The fourth proportional to 44,515.37, 66,780.35 and 21,133.91 is: 31,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,515.37 : 66,780.35 = 21,133.91 : x
  2. Step 2: Convert to fraction form
    44,515.37/66,780.35 = 21,133.91/x
  3. Step 3: Cross multiply
    44,515.37x = 66,780.35 × 21,133.91
  4. Step 4: Simplify right side
    44,515.37x = 1,411,329,467.10
  5. Step 5: Solve for x
    x = 1,411,329,467.10/44,515.37
  6. Step 6: Final answer
    x = 31,704.32

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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.