Home / 53,650.85-74,036.66-29,451.78

Finding the Fourth Proportional to 53,650.85, 74,036.66 and 29,451.78

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Solution

The fourth proportional to 53,650.85, 74,036.66 and 29,451.78 is: 40,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650.85 : 74,036.66 = 29,451.78 : x
  2. Step 2: Convert to fraction form
    53,650.85/74,036.66 = 29,451.78/x
  3. Step 3: Cross multiply
    53,650.85x = 74,036.66 × 29,451.78
  4. Step 4: Simplify right side
    53,650.85x = 2,180,511,275.00
  5. Step 5: Solve for x
    x = 2,180,511,275.00/53,650.85
  6. Step 6: Final answer
    x = 40,642.63

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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.