Home / 54,259.58-74,876.16-30,385.06

Finding the Fourth Proportional to 54,259.58, 74,876.16 and 30,385.06

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Solution

The fourth proportional to 54,259.58, 74,876.16 and 30,385.06 is: 41,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.58 : 74,876.16 = 30,385.06 : x
  2. Step 2: Convert to fraction form
    54,259.58/74,876.16 = 30,385.06/x
  3. Step 3: Cross multiply
    54,259.58x = 74,876.16 × 30,385.06
  4. Step 4: Simplify right side
    54,259.58x = 2,275,116,614.17
  5. Step 5: Solve for x
    x = 2,275,116,614.17/54,259.58
  6. Step 6: Final answer
    x = 41,930.23

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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.