Home / 55,933.47-77,188.34-30,782.97

Finding the Fourth Proportional to 55,933.47, 77,188.34 and 30,782.97

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Solution

The fourth proportional to 55,933.47, 77,188.34 and 30,782.97 is: 42,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,933.47 : 77,188.34 = 30,782.97 : x
  2. Step 2: Convert to fraction form
    55,933.47/77,188.34 = 30,782.97/x
  3. Step 3: Cross multiply
    55,933.47x = 77,188.34 × 30,782.97
  4. Step 4: Simplify right side
    55,933.47x = 2,376,086,354.57
  5. Step 5: Solve for x
    x = 2,376,086,354.57/55,933.47
  6. Step 6: Final answer
    x = 42,480.58

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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.