Home / 48,282.84-72,421.44-13,219.92

Finding the Fourth Proportional to 48,282.84, 72,421.44 and 13,219.92

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Solution

The fourth proportional to 48,282.84, 72,421.44 and 13,219.92 is: 19,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282.84 : 72,421.44 = 13,219.92 : x
  2. Step 2: Convert to fraction form
    48,282.84/72,421.44 = 13,219.92/x
  3. Step 3: Cross multiply
    48,282.84x = 72,421.44 × 13,219.92
  4. Step 4: Simplify right side
    48,282.84x = 957,405,643.08
  5. Step 5: Solve for x
    x = 957,405,643.08/48,282.84
  6. Step 6: Final answer
    x = 19,829.11

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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.