Home / 53,913.75-74,397.87-30,039.59

Finding the Fourth Proportional to 53,913.75, 74,397.87 and 30,039.59

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Solution

The fourth proportional to 53,913.75, 74,397.87 and 30,039.59 is: 41,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.75 : 74,397.87 = 30,039.59 : x
  2. Step 2: Convert to fraction form
    53,913.75/74,397.87 = 30,039.59/x
  3. Step 3: Cross multiply
    53,913.75x = 74,397.87 × 30,039.59
  4. Step 4: Simplify right side
    53,913.75x = 2,234,881,139.68
  5. Step 5: Solve for x
    x = 2,234,881,139.68/53,913.75
  6. Step 6: Final answer
    x = 41,452.90

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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.