Home / 53,760.50-74,185.98-29,886.29

Finding the Fourth Proportional to 53,760.50, 74,185.98 and 29,886.29

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Solution

The fourth proportional to 53,760.50, 74,185.98 and 29,886.29 is: 41,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.50 : 74,185.98 = 29,886.29 : x
  2. Step 2: Convert to fraction form
    53,760.50/74,185.98 = 29,886.29/x
  3. Step 3: Cross multiply
    53,760.50x = 74,185.98 × 29,886.29
  4. Step 4: Simplify right side
    53,760.50x = 2,217,143,712.21
  5. Step 5: Solve for x
    x = 2,217,143,712.21/53,760.50
  6. Step 6: Final answer
    x = 41,241.13

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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.