Home / 46,985.62-70,513.46-18,905.92

Finding the Fourth Proportional to 46,985.62, 70,513.46 and 18,905.92

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Solution

The fourth proportional to 46,985.62, 70,513.46 and 18,905.92 is: 28,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,985.62 : 70,513.46 = 18,905.92 : x
  2. Step 2: Convert to fraction form
    46,985.62/70,513.46 = 18,905.92/x
  3. Step 3: Cross multiply
    46,985.62x = 70,513.46 × 18,905.92
  4. Step 4: Simplify right side
    46,985.62x = 1,333,121,562.99
  5. Step 5: Solve for x
    x = 1,333,121,562.99/46,985.62
  6. Step 6: Final answer
    x = 28,372.97

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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.