Home / 38,429.02-53,032.08-21,662.02

Finding the Fourth Proportional to 38,429.02, 53,032.08 and 21,662.02

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Solution

The fourth proportional to 38,429.02, 53,032.08 and 21,662.02 is: 29,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.02 : 53,032.08 = 21,662.02 : x
  2. Step 2: Convert to fraction form
    38,429.02/53,032.08 = 21,662.02/x
  3. Step 3: Cross multiply
    38,429.02x = 53,032.08 × 21,662.02
  4. Step 4: Simplify right side
    38,429.02x = 1,148,781,977.60
  5. Step 5: Solve for x
    x = 1,148,781,977.60/38,429.02
  6. Step 6: Final answer
    x = 29,893.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.