Home / 48,284.25-72,420.23-18,681.84

Finding the Fourth Proportional to 48,284.25, 72,420.23 and 18,681.84

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Solution

The fourth proportional to 48,284.25, 72,420.23 and 18,681.84 is: 28,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284.25 : 72,420.23 = 18,681.84 : x
  2. Step 2: Convert to fraction form
    48,284.25/72,420.23 = 18,681.84/x
  3. Step 3: Cross multiply
    48,284.25x = 72,420.23 × 18,681.84
  4. Step 4: Simplify right side
    48,284.25x = 1,352,943,091.24
  5. Step 5: Solve for x
    x = 1,352,943,091.24/48,284.25
  6. Step 6: Final answer
    x = 28,020.38

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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.