Home / 36,437.88-50,281.74-21,531

Finding the Fourth Proportional to 36,437.88, 50,281.74 and 21,531

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Solution

The fourth proportional to 36,437.88, 50,281.74 and 21,531 is: 29,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,437.88 : 50,281.74 = 21,531 : x
  2. Step 2: Convert to fraction form
    36,437.88/50,281.74 = 21,531/x
  3. Step 3: Cross multiply
    36,437.88x = 50,281.74 × 21,531
  4. Step 4: Simplify right side
    36,437.88x = 1,082,616,143.94
  5. Step 5: Solve for x
    x = 1,082,616,143.94/36,437.88
  6. Step 6: Final answer
    x = 29,711.28

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1.5x scale

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.