Home / 53,986.07-74,500.89-30,112.13

Finding the Fourth Proportional to 53,986.07, 74,500.89 and 30,112.13

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Solution

The fourth proportional to 53,986.07, 74,500.89 and 30,112.13 is: 41,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.07 : 74,500.89 = 30,112.13 : x
  2. Step 2: Convert to fraction form
    53,986.07/74,500.89 = 30,112.13/x
  3. Step 3: Cross multiply
    53,986.07x = 74,500.89 × 30,112.13
  4. Step 4: Simplify right side
    53,986.07x = 2,243,380,484.80
  5. Step 5: Solve for x
    x = 2,243,380,484.80/53,986.07
  6. Step 6: Final answer
    x = 41,554.80

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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.