Home / 54,634.16-75,395.40-30,764

Finding the Fourth Proportional to 54,634.16, 75,395.40 and 30,764

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Solution

The fourth proportional to 54,634.16, 75,395.40 and 30,764 is: 42,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,634.16 : 75,395.40 = 30,764 : x
  2. Step 2: Convert to fraction form
    54,634.16/75,395.40 = 30,764/x
  3. Step 3: Cross multiply
    54,634.16x = 75,395.40 × 30,764
  4. Step 4: Simplify right side
    54,634.16x = 2,319,464,085.60
  5. Step 5: Solve for x
    x = 2,319,464,085.60/54,634.16
  6. Step 6: Final answer
    x = 42,454.47

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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.