Home / 48,276.65-72,421.88-18,282.80

Finding the Fourth Proportional to 48,276.65, 72,421.88 and 18,282.80

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Solution

The fourth proportional to 48,276.65, 72,421.88 and 18,282.80 is: 27,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.65 : 72,421.88 = 18,282.80 : x
  2. Step 2: Convert to fraction form
    48,276.65/72,421.88 = 18,282.80/x
  3. Step 3: Cross multiply
    48,276.65x = 72,421.88 × 18,282.80
  4. Step 4: Simplify right side
    48,276.65x = 1,324,074,747.66
  5. Step 5: Solve for x
    x = 1,324,074,747.66/48,276.65
  6. Step 6: Final answer
    x = 27,426.81

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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.