Home / 43,549.60-65,236.92-21,349.12

Finding the Fourth Proportional to 43,549.60, 65,236.92 and 21,349.12

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Solution

The fourth proportional to 43,549.60, 65,236.92 and 21,349.12 is: 31,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,549.60 : 65,236.92 = 21,349.12 : x
  2. Step 2: Convert to fraction form
    43,549.60/65,236.92 = 21,349.12/x
  3. Step 3: Cross multiply
    43,549.60x = 65,236.92 × 21,349.12
  4. Step 4: Simplify right side
    43,549.60x = 1,392,750,833.51
  5. Step 5: Solve for x
    x = 1,392,750,833.51/43,549.60
  6. Step 6: Final answer
    x = 31,980.80

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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.