Home / 54,362.40-75,023.33-30,490.40

Finding the Fourth Proportional to 54,362.40, 75,023.33 and 30,490.40

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Solution

The fourth proportional to 54,362.40, 75,023.33 and 30,490.40 is: 42,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,362.40 : 75,023.33 = 30,490.40 : x
  2. Step 2: Convert to fraction form
    54,362.40/75,023.33 = 30,490.40/x
  3. Step 3: Cross multiply
    54,362.40x = 75,023.33 × 30,490.40
  4. Step 4: Simplify right side
    54,362.40x = 2,287,490,813.46
  5. Step 5: Solve for x
    x = 2,287,490,813.46/54,362.40
  6. Step 6: Final answer
    x = 42,078.55

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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.