Home / 43,938.60-65,892.86-14,349.09

Finding the Fourth Proportional to 43,938.60, 65,892.86 and 14,349.09

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Solution

The fourth proportional to 43,938.60, 65,892.86 and 14,349.09 is: 21,518.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.60 : 65,892.86 = 14,349.09 : x
  2. Step 2: Convert to fraction form
    43,938.60/65,892.86 = 14,349.09/x
  3. Step 3: Cross multiply
    43,938.60x = 65,892.86 × 14,349.09
  4. Step 4: Simplify right side
    43,938.60x = 945,502,506.75
  5. Step 5: Solve for x
    x = 945,502,506.75/43,938.60
  6. Step 6: Final answer
    x = 21,518.72

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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.