Home / 38,632.51-53,308.45-21,634.39

Finding the Fourth Proportional to 38,632.51, 53,308.45 and 21,634.39

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Solution

The fourth proportional to 38,632.51, 53,308.45 and 21,634.39 is: 29,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.51 : 53,308.45 = 21,634.39 : x
  2. Step 2: Convert to fraction form
    38,632.51/53,308.45 = 21,634.39/x
  3. Step 3: Cross multiply
    38,632.51x = 53,308.45 × 21,634.39
  4. Step 4: Simplify right side
    38,632.51x = 1,153,295,797.60
  5. Step 5: Solve for x
    x = 1,153,295,797.60/38,632.51
  6. Step 6: Final answer
    x = 29,852.99

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1.5x scale

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.