Home / 54,645.83-75,412.52-30,448.43

Finding the Fourth Proportional to 54,645.83, 75,412.52 and 30,448.43

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Solution

The fourth proportional to 54,645.83, 75,412.52 and 30,448.43 is: 42,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.83 : 75,412.52 = 30,448.43 : x
  2. Step 2: Convert to fraction form
    54,645.83/75,412.52 = 30,448.43/x
  3. Step 3: Cross multiply
    54,645.83x = 75,412.52 × 30,448.43
  4. Step 4: Simplify right side
    54,645.83x = 2,296,192,307.04
  5. Step 5: Solve for x
    x = 2,296,192,307.04/54,645.83
  6. Step 6: Final answer
    x = 42,019.54

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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.