Home / 38,760.60-53,489.64-21,762.48

Finding the Fourth Proportional to 38,760.60, 53,489.64 and 21,762.48

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Solution

The fourth proportional to 38,760.60, 53,489.64 and 21,762.48 is: 30,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,760.60 : 53,489.64 = 21,762.48 : x
  2. Step 2: Convert to fraction form
    38,760.60/53,489.64 = 21,762.48/x
  3. Step 3: Cross multiply
    38,760.60x = 53,489.64 × 21,762.48
  4. Step 4: Simplify right side
    38,760.60x = 1,164,067,220.71
  5. Step 5: Solve for x
    x = 1,164,067,220.71/38,760.60
  6. Step 6: Final answer
    x = 30,032.23

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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.