Home / 64,214.08-96,285.36-19,828.24

Finding the Fourth Proportional to 64,214.08, 96,285.36 and 19,828.24

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Solution

The fourth proportional to 64,214.08, 96,285.36 and 19,828.24 is: 29,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,214.08 : 96,285.36 = 19,828.24 : x
  2. Step 2: Convert to fraction form
    64,214.08/96,285.36 = 19,828.24/x
  3. Step 3: Cross multiply
    64,214.08x = 96,285.36 × 19,828.24
  4. Step 4: Simplify right side
    64,214.08x = 1,909,169,226.57
  5. Step 5: Solve for x
    x = 1,909,169,226.57/64,214.08
  6. Step 6: Final answer
    x = 29,731.32

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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.