Home / 43,436.94-65,154.06-13,856.55

Finding the Fourth Proportional to 43,436.94, 65,154.06 and 13,856.55

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Solution

The fourth proportional to 43,436.94, 65,154.06 and 13,856.55 is: 20,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,436.94 : 65,154.06 = 13,856.55 : x
  2. Step 2: Convert to fraction form
    43,436.94/65,154.06 = 13,856.55/x
  3. Step 3: Cross multiply
    43,436.94x = 65,154.06 × 13,856.55
  4. Step 4: Simplify right side
    43,436.94x = 902,810,490.09
  5. Step 5: Solve for x
    x = 902,810,490.09/43,436.94
  6. Step 6: Final answer
    x = 20,784.39

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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.