Home / 53,810.12-74,257.68-29,935.40

Finding the Fourth Proportional to 53,810.12, 74,257.68 and 29,935.40

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Solution

The fourth proportional to 53,810.12, 74,257.68 and 29,935.40 is: 41,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,810.12 : 74,257.68 = 29,935.40 : x
  2. Step 2: Convert to fraction form
    53,810.12/74,257.68 = 29,935.40/x
  3. Step 3: Cross multiply
    53,810.12x = 74,257.68 × 29,935.40
  4. Step 4: Simplify right side
    53,810.12x = 2,222,933,353.87
  5. Step 5: Solve for x
    x = 2,222,933,353.87/53,810.12
  6. Step 6: Final answer
    x = 41,310.69

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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.