Home / 29,316.60-43,973.01-12,664.89

Finding the Fourth Proportional to 29,316.60, 43,973.01 and 12,664.89

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Solution

The fourth proportional to 29,316.60, 43,973.01 and 12,664.89 is: 18,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.60 : 43,973.01 = 12,664.89 : x
  2. Step 2: Convert to fraction form
    29,316.60/43,973.01 = 12,664.89/x
  3. Step 3: Cross multiply
    29,316.60x = 43,973.01 × 12,664.89
  4. Step 4: Simplify right side
    29,316.60x = 556,913,334.62
  5. Step 5: Solve for x
    x = 556,913,334.62/29,316.60
  6. Step 6: Final answer
    x = 18,996.52

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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.