Home / 55,282.50-76,291.47-31,410.18

Finding the Fourth Proportional to 55,282.50, 76,291.47 and 31,410.18

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Solution

The fourth proportional to 55,282.50, 76,291.47 and 31,410.18 is: 43,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.50 : 76,291.47 = 31,410.18 : x
  2. Step 2: Convert to fraction form
    55,282.50/76,291.47 = 31,410.18/x
  3. Step 3: Cross multiply
    55,282.50x = 76,291.47 × 31,410.18
  4. Step 4: Simplify right side
    55,282.50x = 2,396,328,805.16
  5. Step 5: Solve for x
    x = 2,396,328,805.16/55,282.50
  6. Step 6: Final answer
    x = 43,346.97

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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.