Home / 53,687.39-74,067.34-31,022.20

Finding the Fourth Proportional to 53,687.39, 74,067.34 and 31,022.20

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Solution

The fourth proportional to 53,687.39, 74,067.34 and 31,022.20 is: 42,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,687.39 : 74,067.34 = 31,022.20 : x
  2. Step 2: Convert to fraction form
    53,687.39/74,067.34 = 31,022.20/x
  3. Step 3: Cross multiply
    53,687.39x = 74,067.34 × 31,022.20
  4. Step 4: Simplify right side
    53,687.39x = 2,297,731,309.50
  5. Step 5: Solve for x
    x = 2,297,731,309.50/53,687.39
  6. Step 6: Final answer
    x = 42,798.35

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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.