Home / 54,338.88-74,987.64-30,465.48

Finding the Fourth Proportional to 54,338.88, 74,987.64 and 30,465.48

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Solution

The fourth proportional to 54,338.88, 74,987.64 and 30,465.48 is: 42,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.88 : 74,987.64 = 30,465.48 : x
  2. Step 2: Convert to fraction form
    54,338.88/74,987.64 = 30,465.48/x
  3. Step 3: Cross multiply
    54,338.88x = 74,987.64 × 30,465.48
  4. Step 4: Simplify right side
    54,338.88x = 2,284,534,446.67
  5. Step 5: Solve for x
    x = 2,284,534,446.67/54,338.88
  6. Step 6: Final answer
    x = 42,042.35

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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.