Home / 43,103.12-64,654.68-13,523.32

Finding the Fourth Proportional to 43,103.12, 64,654.68 and 13,523.32

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Solution

The fourth proportional to 43,103.12, 64,654.68 and 13,523.32 is: 20,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,103.12 : 64,654.68 = 13,523.32 : x
  2. Step 2: Convert to fraction form
    43,103.12/64,654.68 = 13,523.32/x
  3. Step 3: Cross multiply
    43,103.12x = 64,654.68 × 13,523.32
  4. Step 4: Simplify right side
    43,103.12x = 874,345,927.14
  5. Step 5: Solve for x
    x = 874,345,927.14/43,103.12
  6. Step 6: Final answer
    x = 20,284.98

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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.