Home / 38,632.64-53,308.62-21,634.52

Finding the Fourth Proportional to 38,632.64, 53,308.62 and 21,634.52

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Solution

The fourth proportional to 38,632.64, 53,308.62 and 21,634.52 is: 29,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.64 : 53,308.62 = 21,634.52 : x
  2. Step 2: Convert to fraction form
    38,632.64/53,308.62 = 21,634.52/x
  3. Step 3: Cross multiply
    38,632.64x = 53,308.62 × 21,634.52
  4. Step 4: Simplify right side
    38,632.64x = 1,153,306,139.02
  5. Step 5: Solve for x
    x = 1,153,306,139.02/38,632.64
  6. Step 6: Final answer
    x = 29,853.16

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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.