Home / 54,530.24-75,254.40-30,664.40

Finding the Fourth Proportional to 54,530.24, 75,254.40 and 30,664.40

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Solution

The fourth proportional to 54,530.24, 75,254.40 and 30,664.40 is: 42,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.24 : 75,254.40 = 30,664.40 : x
  2. Step 2: Convert to fraction form
    54,530.24/75,254.40 = 30,664.40/x
  3. Step 3: Cross multiply
    54,530.24x = 75,254.40 × 30,664.40
  4. Step 4: Simplify right side
    54,530.24x = 2,307,631,023.36
  5. Step 5: Solve for x
    x = 2,307,631,023.36/54,530.24
  6. Step 6: Final answer
    x = 42,318.37

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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.