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Finding the Fourth Proportional to 45,952.32, 68,917.08 and 12,670.92

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Solution

The fourth proportional to 45,952.32, 68,917.08 and 12,670.92 is: 19,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,952.32 : 68,917.08 = 12,670.92 : x
  2. Step 2: Convert to fraction form
    45,952.32/68,917.08 = 12,670.92/x
  3. Step 3: Cross multiply
    45,952.32x = 68,917.08 × 12,670.92
  4. Step 4: Simplify right side
    45,952.32x = 873,242,807.31
  5. Step 5: Solve for x
    x = 873,242,807.31/45,952.32
  6. Step 6: Final answer
    x = 19,003.24

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1.5x scale

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.