Home / 53,187.89-73,399.79-29,315.48

Finding the Fourth Proportional to 53,187.89, 73,399.79 and 29,315.48

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Solution

The fourth proportional to 53,187.89, 73,399.79 and 29,315.48 is: 40,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.89 : 73,399.79 = 29,315.48 : x
  2. Step 2: Convert to fraction form
    53,187.89/73,399.79 = 29,315.48/x
  3. Step 3: Cross multiply
    53,187.89x = 73,399.79 × 29,315.48
  4. Step 4: Simplify right side
    53,187.89x = 2,151,749,782.04
  5. Step 5: Solve for x
    x = 2,151,749,782.04/53,187.89
  6. Step 6: Final answer
    x = 40,455.64

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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.