Home / 31,115.08-46,680.82-16,320.02

Finding the Fourth Proportional to 31,115.08, 46,680.82 and 16,320.02

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Solution

The fourth proportional to 31,115.08, 46,680.82 and 16,320.02 is: 24,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,115.08 : 46,680.82 = 16,320.02 : x
  2. Step 2: Convert to fraction form
    31,115.08/46,680.82 = 16,320.02/x
  3. Step 3: Cross multiply
    31,115.08x = 46,680.82 × 16,320.02
  4. Step 4: Simplify right side
    31,115.08x = 761,831,991.92
  5. Step 5: Solve for x
    x = 761,831,991.92/31,115.08
  6. Step 6: Final answer
    x = 24,484.34

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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.