Home / 53,011.36-73,155.90-29,137.42

Finding the Fourth Proportional to 53,011.36, 73,155.90 and 29,137.42

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Solution

The fourth proportional to 53,011.36, 73,155.90 and 29,137.42 is: 40,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.36 : 73,155.90 = 29,137.42 : x
  2. Step 2: Convert to fraction form
    53,011.36/73,155.90 = 29,137.42/x
  3. Step 3: Cross multiply
    53,011.36x = 73,155.90 × 29,137.42
  4. Step 4: Simplify right side
    53,011.36x = 2,131,574,183.78
  5. Step 5: Solve for x
    x = 2,131,574,183.78/53,011.36
  6. Step 6: Final answer
    x = 40,209.76

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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.