Home / 45,916.88-68,875.31-18,214.88

Finding the Fourth Proportional to 45,916.88, 68,875.31 and 18,214.88

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Solution

The fourth proportional to 45,916.88, 68,875.31 and 18,214.88 is: 27,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.88 : 68,875.31 = 18,214.88 : x
  2. Step 2: Convert to fraction form
    45,916.88/68,875.31 = 18,214.88/x
  3. Step 3: Cross multiply
    45,916.88x = 68,875.31 × 18,214.88
  4. Step 4: Simplify right side
    45,916.88x = 1,254,555,207.77
  5. Step 5: Solve for x
    x = 1,254,555,207.77/45,916.88
  6. Step 6: Final answer
    x = 27,322.31

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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.