Home / 55,959.33-77,221.46-30,465.14

Finding the Fourth Proportional to 55,959.33, 77,221.46 and 30,465.14

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Solution

The fourth proportional to 55,959.33, 77,221.46 and 30,465.14 is: 42,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959.33 : 77,221.46 = 30,465.14 : x
  2. Step 2: Convert to fraction form
    55,959.33/77,221.46 = 30,465.14/x
  3. Step 3: Cross multiply
    55,959.33x = 77,221.46 × 30,465.14
  4. Step 4: Simplify right side
    55,959.33x = 2,352,562,859.12
  5. Step 5: Solve for x
    x = 2,352,562,859.12/55,959.33
  6. Step 6: Final answer
    x = 42,040.58

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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.