Home / 39,055.97-53,897.15-21,150.92

Finding the Fourth Proportional to 39,055.97, 53,897.15 and 21,150.92

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Solution

The fourth proportional to 39,055.97, 53,897.15 and 21,150.92 is: 29,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.97 : 53,897.15 = 21,150.92 : x
  2. Step 2: Convert to fraction form
    39,055.97/53,897.15 = 21,150.92/x
  3. Step 3: Cross multiply
    39,055.97x = 53,897.15 × 21,150.92
  4. Step 4: Simplify right side
    39,055.97x = 1,139,973,932.64
  5. Step 5: Solve for x
    x = 1,139,973,932.64/39,055.97
  6. Step 6: Final answer
    x = 29,188.22

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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.