Home / 43,429.32-65,154.95-12,264.57

Finding the Fourth Proportional to 43,429.32, 65,154.95 and 12,264.57

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Solution

The fourth proportional to 43,429.32, 65,154.95 and 12,264.57 is: 18,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429.32 : 65,154.95 = 12,264.57 : x
  2. Step 2: Convert to fraction form
    43,429.32/65,154.95 = 12,264.57/x
  3. Step 3: Cross multiply
    43,429.32x = 65,154.95 × 12,264.57
  4. Step 4: Simplify right side
    43,429.32x = 799,097,383.80
  5. Step 5: Solve for x
    x = 799,097,383.80/43,429.32
  6. Step 6: Final answer
    x = 18,399.95

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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.