Home / 53,832.80-74,288.14-31,175.89

Finding the Fourth Proportional to 53,832.80, 74,288.14 and 31,175.89

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Solution

The fourth proportional to 53,832.80, 74,288.14 and 31,175.89 is: 43,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,832.80 : 74,288.14 = 31,175.89 : x
  2. Step 2: Convert to fraction form
    53,832.80/74,288.14 = 31,175.89/x
  3. Step 3: Cross multiply
    53,832.80x = 74,288.14 × 31,175.89
  4. Step 4: Simplify right side
    53,832.80x = 2,315,998,617.28
  5. Step 5: Solve for x
    x = 2,315,998,617.28/53,832.80
  6. Step 6: Final answer
    x = 43,022.07

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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.