Home / 56,228.13-77,592.20-30,735.81

Finding the Fourth Proportional to 56,228.13, 77,592.20 and 30,735.81

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Solution

The fourth proportional to 56,228.13, 77,592.20 and 30,735.81 is: 42,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,228.13 : 77,592.20 = 30,735.81 : x
  2. Step 2: Convert to fraction form
    56,228.13/77,592.20 = 30,735.81/x
  3. Step 3: Cross multiply
    56,228.13x = 77,592.20 × 30,735.81
  4. Step 4: Simplify right side
    56,228.13x = 2,384,858,963.00
  5. Step 5: Solve for x
    x = 2,384,858,963.00/56,228.13
  6. Step 6: Final answer
    x = 42,413.98

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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.