Home / 43,548.60-65,235.42-21,348.12

Finding the Fourth Proportional to 43,548.60, 65,235.42 and 21,348.12

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Solution

The fourth proportional to 43,548.60, 65,235.42 and 21,348.12 is: 31,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,548.60 : 65,235.42 = 21,348.12 : x
  2. Step 2: Convert to fraction form
    43,548.60/65,235.42 = 21,348.12/x
  3. Step 3: Cross multiply
    43,548.60x = 65,235.42 × 21,348.12
  4. Step 4: Simplify right side
    43,548.60x = 1,392,653,574.41
  5. Step 5: Solve for x
    x = 1,392,653,574.41/43,548.60
  6. Step 6: Final answer
    x = 31,979.30

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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.