Home / 54,772.51-75,585.79-30,572.09

Finding the Fourth Proportional to 54,772.51, 75,585.79 and 30,572.09

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Solution

The fourth proportional to 54,772.51, 75,585.79 and 30,572.09 is: 42,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.51 : 75,585.79 = 30,572.09 : x
  2. Step 2: Convert to fraction form
    54,772.51/75,585.79 = 30,572.09/x
  3. Step 3: Cross multiply
    54,772.51x = 75,585.79 × 30,572.09
  4. Step 4: Simplify right side
    54,772.51x = 2,310,815,574.60
  5. Step 5: Solve for x
    x = 2,310,815,574.60/54,772.51
  6. Step 6: Final answer
    x = 42,189.33

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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.