Home / 53,146.10-73,297.98-38,789.79

Finding the Fourth Proportional to 53,146.10, 73,297.98 and 38,789.79

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Solution

The fourth proportional to 53,146.10, 73,297.98 and 38,789.79 is: 53,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.10 : 73,297.98 = 38,789.79 : x
  2. Step 2: Convert to fraction form
    53,146.10/73,297.98 = 38,789.79/x
  3. Step 3: Cross multiply
    53,146.10x = 73,297.98 × 38,789.79
  4. Step 4: Simplify right side
    53,146.10x = 2,843,213,251.62
  5. Step 5: Solve for x
    x = 2,843,213,251.62/53,146.10
  6. Step 6: Final answer
    x = 53,498.07

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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.