Home / 53,021.80-73,170.84-29,150.68

Finding the Fourth Proportional to 53,021.80, 73,170.84 and 29,150.68

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Solution

The fourth proportional to 53,021.80, 73,170.84 and 29,150.68 is: 40,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.80 : 73,170.84 = 29,150.68 : x
  2. Step 2: Convert to fraction form
    53,021.80/73,170.84 = 29,150.68/x
  3. Step 3: Cross multiply
    53,021.80x = 73,170.84 × 29,150.68
  4. Step 4: Simplify right side
    53,021.80x = 2,132,979,742.17
  5. Step 5: Solve for x
    x = 2,132,979,742.17/53,021.80
  6. Step 6: Final answer
    x = 40,228.35

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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.