Home / 43,748.56-65,615.55-14,187.61

Finding the Fourth Proportional to 43,748.56, 65,615.55 and 14,187.61

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Solution

The fourth proportional to 43,748.56, 65,615.55 and 14,187.61 is: 21,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,748.56 : 65,615.55 = 14,187.61 : x
  2. Step 2: Convert to fraction form
    43,748.56/65,615.55 = 14,187.61/x
  3. Step 3: Cross multiply
    43,748.56x = 65,615.55 × 14,187.61
  4. Step 4: Simplify right side
    43,748.56x = 930,927,833.34
  5. Step 5: Solve for x
    x = 930,927,833.34/43,748.56
  6. Step 6: Final answer
    x = 21,279.05

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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.