Home / 53,011.78-73,160.92-29,143.10

Finding the Fourth Proportional to 53,011.78, 73,160.92 and 29,143.10

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Solution

The fourth proportional to 53,011.78, 73,160.92 and 29,143.10 is: 40,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,011.78 : 73,160.92 = 29,143.10 : x
  2. Step 2: Convert to fraction form
    53,011.78/73,160.92 = 29,143.10/x
  3. Step 3: Cross multiply
    53,011.78x = 73,160.92 × 29,143.10
  4. Step 4: Simplify right side
    53,011.78x = 2,132,136,007.65
  5. Step 5: Solve for x
    x = 2,132,136,007.65/53,011.78
  6. Step 6: Final answer
    x = 40,220.04

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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.