Home / 53,023.16-73,172.21-29,151.38

Finding the Fourth Proportional to 53,023.16, 73,172.21 and 29,151.38

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Solution

The fourth proportional to 53,023.16, 73,172.21 and 29,151.38 is: 40,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,023.16 : 73,172.21 = 29,151.38 : x
  2. Step 2: Convert to fraction form
    53,023.16/73,172.21 = 29,151.38/x
  3. Step 3: Cross multiply
    53,023.16x = 73,172.21 × 29,151.38
  4. Step 4: Simplify right side
    53,023.16x = 2,133,070,387.53
  5. Step 5: Solve for x
    x = 2,133,070,387.53/53,023.16
  6. Step 6: Final answer
    x = 40,229.04

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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.