Home / 55,007.33-75,903.81-30,804.92

Finding the Fourth Proportional to 55,007.33, 75,903.81 and 30,804.92

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Solution

The fourth proportional to 55,007.33, 75,903.81 and 30,804.92 is: 42,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.33 : 75,903.81 = 30,804.92 : x
  2. Step 2: Convert to fraction form
    55,007.33/75,903.81 = 30,804.92/x
  3. Step 3: Cross multiply
    55,007.33x = 75,903.81 × 30,804.92
  4. Step 4: Simplify right side
    55,007.33x = 2,338,210,794.75
  5. Step 5: Solve for x
    x = 2,338,210,794.75/55,007.33
  6. Step 6: Final answer
    x = 42,507.26

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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.