Home / 53,780.31-74,218.62-29,582.29

Finding the Fourth Proportional to 53,780.31, 74,218.62 and 29,582.29

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Solution

The fourth proportional to 53,780.31, 74,218.62 and 29,582.29 is: 40,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.31 : 74,218.62 = 29,582.29 : x
  2. Step 2: Convert to fraction form
    53,780.31/74,218.62 = 29,582.29/x
  3. Step 3: Cross multiply
    53,780.31x = 74,218.62 × 29,582.29
  4. Step 4: Simplify right side
    53,780.31x = 2,195,556,740.24
  5. Step 5: Solve for x
    x = 2,195,556,740.24/53,780.31
  6. Step 6: Final answer
    x = 40,824.55

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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.