Home / 43,738.06-65,609.13-14,158.21

Finding the Fourth Proportional to 43,738.06, 65,609.13 and 14,158.21

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Solution

The fourth proportional to 43,738.06, 65,609.13 and 14,158.21 is: 21,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.06 : 65,609.13 = 14,158.21 : x
  2. Step 2: Convert to fraction form
    43,738.06/65,609.13 = 14,158.21/x
  3. Step 3: Cross multiply
    43,738.06x = 65,609.13 × 14,158.21
  4. Step 4: Simplify right side
    43,738.06x = 928,907,840.46
  5. Step 5: Solve for x
    x = 928,907,840.46/43,738.06
  6. Step 6: Final answer
    x = 21,237.98

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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.