Home / 43,436.13-65,154.19-12,272.19

Finding the Fourth Proportional to 43,436.13, 65,154.19 and 12,272.19

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Solution

The fourth proportional to 43,436.13, 65,154.19 and 12,272.19 is: 18,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,436.13 : 65,154.19 = 12,272.19 : x
  2. Step 2: Convert to fraction form
    43,436.13/65,154.19 = 12,272.19/x
  3. Step 3: Cross multiply
    43,436.13x = 65,154.19 × 12,272.19
  4. Step 4: Simplify right side
    43,436.13x = 799,584,598.98
  5. Step 5: Solve for x
    x = 799,584,598.98/43,436.13
  6. Step 6: Final answer
    x = 18,408.28

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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.