Home / 39,071.74-53,917.88-22,938.78

Finding the Fourth Proportional to 39,071.74, 53,917.88 and 22,938.78

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Solution

The fourth proportional to 39,071.74, 53,917.88 and 22,938.78 is: 31,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.74 : 53,917.88 = 22,938.78 : x
  2. Step 2: Convert to fraction form
    39,071.74/53,917.88 = 22,938.78/x
  3. Step 3: Cross multiply
    39,071.74x = 53,917.88 × 22,938.78
  4. Step 4: Simplify right side
    39,071.74x = 1,236,810,387.39
  5. Step 5: Solve for x
    x = 1,236,810,387.39/39,071.74
  6. Step 6: Final answer
    x = 31,654.86

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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.