Home / 53,984.59-74,498.82-30,112.80

Finding the Fourth Proportional to 53,984.59, 74,498.82 and 30,112.80

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Solution

The fourth proportional to 53,984.59, 74,498.82 and 30,112.80 is: 41,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.59 : 74,498.82 = 30,112.80 : x
  2. Step 2: Convert to fraction form
    53,984.59/74,498.82 = 30,112.80/x
  3. Step 3: Cross multiply
    53,984.59x = 74,498.82 × 30,112.80
  4. Step 4: Simplify right side
    53,984.59x = 2,243,367,843.99
  5. Step 5: Solve for x
    x = 2,243,367,843.99/53,984.59
  6. Step 6: Final answer
    x = 41,555.71

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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.