Home / 47,724.36-71,585.28-12,664.32

Finding the Fourth Proportional to 47,724.36, 71,585.28 and 12,664.32

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Solution

The fourth proportional to 47,724.36, 71,585.28 and 12,664.32 is: 18,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,724.36 : 71,585.28 = 12,664.32 : x
  2. Step 2: Convert to fraction form
    47,724.36/71,585.28 = 12,664.32/x
  3. Step 3: Cross multiply
    47,724.36x = 71,585.28 × 12,664.32
  4. Step 4: Simplify right side
    47,724.36x = 906,578,893.21
  5. Step 5: Solve for x
    x = 906,578,893.21/47,724.36
  6. Step 6: Final answer
    x = 18,996.15

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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.