Home / 45,106.32-67,665.96-13,944

Finding the Fourth Proportional to 45,106.32, 67,665.96 and 13,944

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Solution

The fourth proportional to 45,106.32, 67,665.96 and 13,944 is: 20,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,106.32 : 67,665.96 = 13,944 : x
  2. Step 2: Convert to fraction form
    45,106.32/67,665.96 = 13,944/x
  3. Step 3: Cross multiply
    45,106.32x = 67,665.96 × 13,944
  4. Step 4: Simplify right side
    45,106.32x = 943,534,146.24
  5. Step 5: Solve for x
    x = 943,534,146.24/45,106.32
  6. Step 6: Final answer
    x = 20,918.00

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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.