Home / 48,417.22-72,625.81-18,855.81

Finding the Fourth Proportional to 48,417.22, 72,625.81 and 18,855.81

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Solution

The fourth proportional to 48,417.22, 72,625.81 and 18,855.81 is: 28,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417.22 : 72,625.81 = 18,855.81 : x
  2. Step 2: Convert to fraction form
    48,417.22/72,625.81 = 18,855.81/x
  3. Step 3: Cross multiply
    48,417.22x = 72,625.81 × 18,855.81
  4. Step 4: Simplify right side
    48,417.22x = 1,369,418,474.46
  5. Step 5: Solve for x
    x = 1,369,418,474.46/48,417.22
  6. Step 6: Final answer
    x = 28,283.71

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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.