Home / 53,863.44-74,331.36-29,990.40

Finding the Fourth Proportional to 53,863.44, 74,331.36 and 29,990.40

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Solution

The fourth proportional to 53,863.44, 74,331.36 and 29,990.40 is: 41,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.44 : 74,331.36 = 29,990.40 : x
  2. Step 2: Convert to fraction form
    53,863.44/74,331.36 = 29,990.40/x
  3. Step 3: Cross multiply
    53,863.44x = 74,331.36 × 29,990.40
  4. Step 4: Simplify right side
    53,863.44x = 2,229,227,218.94
  5. Step 5: Solve for x
    x = 2,229,227,218.94/53,863.44
  6. Step 6: Final answer
    x = 41,386.65

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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.