Home / 29,118.87-43,677.07-13,314.75

Finding the Fourth Proportional to 29,118.87, 43,677.07 and 13,314.75

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Solution

The fourth proportional to 29,118.87, 43,677.07 and 13,314.75 is: 19,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,118.87 : 43,677.07 = 13,314.75 : x
  2. Step 2: Convert to fraction form
    29,118.87/43,677.07 = 13,314.75/x
  3. Step 3: Cross multiply
    29,118.87x = 43,677.07 × 13,314.75
  4. Step 4: Simplify right side
    29,118.87x = 581,549,267.78
  5. Step 5: Solve for x
    x = 581,549,267.78/29,118.87
  6. Step 6: Final answer
    x = 19,971.56

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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.