Home / 53,011.92-73,155.47-29,138.09

Finding the Fourth Proportional to 53,011.92, 73,155.47 and 29,138.09

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Solution

The fourth proportional to 53,011.92, 73,155.47 and 29,138.09 is: 40,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.92 : 73,155.47 = 29,138.09 : x
  2. Step 2: Convert to fraction form
    53,011.92/73,155.47 = 29,138.09/x
  3. Step 3: Cross multiply
    53,011.92x = 73,155.47 × 29,138.09
  4. Step 4: Simplify right side
    53,011.92x = 2,131,610,321.29
  5. Step 5: Solve for x
    x = 2,131,610,321.29/53,011.92
  6. Step 6: Final answer
    x = 40,210.02

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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.