Home / 56,033.99-77,324.66-30,539.81

Finding the Fourth Proportional to 56,033.99, 77,324.66 and 30,539.81

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Solution

The fourth proportional to 56,033.99, 77,324.66 and 30,539.81 is: 42,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,033.99 : 77,324.66 = 30,539.81 : x
  2. Step 2: Convert to fraction form
    56,033.99/77,324.66 = 30,539.81/x
  3. Step 3: Cross multiply
    56,033.99x = 77,324.66 × 30,539.81
  4. Step 4: Simplify right side
    56,033.99x = 2,361,480,465.33
  5. Step 5: Solve for x
    x = 2,361,480,465.33/56,033.99
  6. Step 6: Final answer
    x = 42,143.71

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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.