Home / 53,931.75-74,391.07-35,782.08

Finding the Fourth Proportional to 53,931.75, 74,391.07 and 35,782.08

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Solution

The fourth proportional to 53,931.75, 74,391.07 and 35,782.08 is: 49,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.75 : 74,391.07 = 35,782.08 : x
  2. Step 2: Convert to fraction form
    53,931.75/74,391.07 = 35,782.08/x
  3. Step 3: Cross multiply
    53,931.75x = 74,391.07 × 35,782.08
  4. Step 4: Simplify right side
    53,931.75x = 2,661,867,218.03
  5. Step 5: Solve for x
    x = 2,661,867,218.03/53,931.75
  6. Step 6: Final answer
    x = 49,356.22

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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.