Home / 45,326.63-67,989.93-14,161.88

Finding the Fourth Proportional to 45,326.63, 67,989.93 and 14,161.88

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Solution

The fourth proportional to 45,326.63, 67,989.93 and 14,161.88 is: 21,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.63 : 67,989.93 = 14,161.88 : x
  2. Step 2: Convert to fraction form
    45,326.63/67,989.93 = 14,161.88/x
  3. Step 3: Cross multiply
    45,326.63x = 67,989.93 × 14,161.88
  4. Step 4: Simplify right side
    45,326.63x = 962,864,948.34
  5. Step 5: Solve for x
    x = 962,864,948.34/45,326.63
  6. Step 6: Final answer
    x = 21,242.81

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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.