Home / 53,162.88-73,364.79-29,289.48

Finding the Fourth Proportional to 53,162.88, 73,364.79 and 29,289.48

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Solution

The fourth proportional to 53,162.88, 73,364.79 and 29,289.48 is: 40,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,162.88 : 73,364.79 = 29,289.48 : x
  2. Step 2: Convert to fraction form
    53,162.88/73,364.79 = 29,289.48/x
  3. Step 3: Cross multiply
    53,162.88x = 73,364.79 × 29,289.48
  4. Step 4: Simplify right side
    53,162.88x = 2,148,816,549.41
  5. Step 5: Solve for x
    x = 2,148,816,549.41/53,162.88
  6. Step 6: Final answer
    x = 40,419.49

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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.