Home / 53,913.92-74,400.72-30,040.16

Finding the Fourth Proportional to 53,913.92, 74,400.72 and 30,040.16

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Solution

The fourth proportional to 53,913.92, 74,400.72 and 30,040.16 is: 41,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.92 : 74,400.72 = 30,040.16 : x
  2. Step 2: Convert to fraction form
    53,913.92/74,400.72 = 30,040.16/x
  3. Step 3: Cross multiply
    53,913.92x = 74,400.72 × 30,040.16
  4. Step 4: Simplify right side
    53,913.92x = 2,235,009,532.92
  5. Step 5: Solve for x
    x = 2,235,009,532.92/53,913.92
  6. Step 6: Final answer
    x = 41,455.15

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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.