Home / 42,324.60-63,491.22-14,619

Finding the Fourth Proportional to 42,324.60, 63,491.22 and 14,619

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Solution

The fourth proportional to 42,324.60, 63,491.22 and 14,619 is: 21,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,324.60 : 63,491.22 = 14,619 : x
  2. Step 2: Convert to fraction form
    42,324.60/63,491.22 = 14,619/x
  3. Step 3: Cross multiply
    42,324.60x = 63,491.22 × 14,619
  4. Step 4: Simplify right side
    42,324.60x = 928,178,145.18
  5. Step 5: Solve for x
    x = 928,178,145.18/42,324.60
  6. Step 6: Final answer
    x = 21,929.99

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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.