Home / 40,357.12-55,693.57-22,453.79

Finding the Fourth Proportional to 40,357.12, 55,693.57 and 22,453.79

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Solution

The fourth proportional to 40,357.12, 55,693.57 and 22,453.79 is: 30,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.12 : 55,693.57 = 22,453.79 : x
  2. Step 2: Convert to fraction form
    40,357.12/55,693.57 = 22,453.79/x
  3. Step 3: Cross multiply
    40,357.12x = 55,693.57 × 22,453.79
  4. Step 4: Simplify right side
    40,357.12x = 1,250,531,808.23
  5. Step 5: Solve for x
    x = 1,250,531,808.23/40,357.12
  6. Step 6: Final answer
    x = 30,986.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.