Home / 38,829.11-53,585.28-21,833.42

Finding the Fourth Proportional to 38,829.11, 53,585.28 and 21,833.42

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Solution

The fourth proportional to 38,829.11, 53,585.28 and 21,833.42 is: 30,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.11 : 53,585.28 = 21,833.42 : x
  2. Step 2: Convert to fraction form
    38,829.11/53,585.28 = 21,833.42/x
  3. Step 3: Cross multiply
    38,829.11x = 53,585.28 × 21,833.42
  4. Step 4: Simplify right side
    38,829.11x = 1,169,949,656.13
  5. Step 5: Solve for x
    x = 1,169,949,656.13/38,829.11
  6. Step 6: Final answer
    x = 30,130.74

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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.