Home / 44,355.57-66,513.30-12,758.37

Finding the Fourth Proportional to 44,355.57, 66,513.30 and 12,758.37

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Solution

The fourth proportional to 44,355.57, 66,513.30 and 12,758.37 is: 19,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,355.57 : 66,513.30 = 12,758.37 : x
  2. Step 2: Convert to fraction form
    44,355.57/66,513.30 = 12,758.37/x
  3. Step 3: Cross multiply
    44,355.57x = 66,513.30 × 12,758.37
  4. Step 4: Simplify right side
    44,355.57x = 848,601,291.32
  5. Step 5: Solve for x
    x = 848,601,291.32/44,355.57
  6. Step 6: Final answer
    x = 19,131.79

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1.5x scale

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.