Home / 54,130.91-74,697.62-29,930.46

Finding the Fourth Proportional to 54,130.91, 74,697.62 and 29,930.46

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Solution

The fourth proportional to 54,130.91, 74,697.62 and 29,930.46 is: 41,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.91 : 74,697.62 = 29,930.46 : x
  2. Step 2: Convert to fraction form
    54,130.91/74,697.62 = 29,930.46/x
  3. Step 3: Cross multiply
    54,130.91x = 74,697.62 × 29,930.46
  4. Step 4: Simplify right side
    54,130.91x = 2,235,733,977.85
  5. Step 5: Solve for x
    x = 2,235,733,977.85/54,130.91
  6. Step 6: Final answer
    x = 41,302.36

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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.