Home / 53,021.89-73,171.61-28,824.48

Finding the Fourth Proportional to 53,021.89, 73,171.61 and 28,824.48

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Solution

The fourth proportional to 53,021.89, 73,171.61 and 28,824.48 is: 39,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.89 : 73,171.61 = 28,824.48 : x
  2. Step 2: Convert to fraction form
    53,021.89/73,171.61 = 28,824.48/x
  3. Step 3: Cross multiply
    53,021.89x = 73,171.61 × 28,824.48
  4. Step 4: Simplify right side
    53,021.89x = 2,109,133,681.07
  5. Step 5: Solve for x
    x = 2,109,133,681.07/53,021.89
  6. Step 6: Final answer
    x = 39,778.55

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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.