Home / 48,383.95-72,580.49-18,804.05

Finding the Fourth Proportional to 48,383.95, 72,580.49 and 18,804.05

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Solution

The fourth proportional to 48,383.95, 72,580.49 and 18,804.05 is: 28,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.95 : 72,580.49 = 18,804.05 : x
  2. Step 2: Convert to fraction form
    48,383.95/72,580.49 = 18,804.05/x
  3. Step 3: Cross multiply
    48,383.95x = 72,580.49 × 18,804.05
  4. Step 4: Simplify right side
    48,383.95x = 1,364,807,068.96
  5. Step 5: Solve for x
    x = 1,364,807,068.96/48,383.95
  6. Step 6: Final answer
    x = 28,207.85

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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.