Home / 48,386.43-72,607.67-20,304

Finding the Fourth Proportional to 48,386.43, 72,607.67 and 20,304

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Solution

The fourth proportional to 48,386.43, 72,607.67 and 20,304 is: 30,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.43 : 72,607.67 = 20,304 : x
  2. Step 2: Convert to fraction form
    48,386.43/72,607.67 = 20,304/x
  3. Step 3: Cross multiply
    48,386.43x = 72,607.67 × 20,304
  4. Step 4: Simplify right side
    48,386.43x = 1,474,226,131.68
  5. Step 5: Solve for x
    x = 1,474,226,131.68/48,386.43
  6. Step 6: Final answer
    x = 30,467.76

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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.