Home / 53,940.10-74,434.27-30,065.96

Finding the Fourth Proportional to 53,940.10, 74,434.27 and 30,065.96

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Solution

The fourth proportional to 53,940.10, 74,434.27 and 30,065.96 is: 41,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.10 : 74,434.27 = 30,065.96 : x
  2. Step 2: Convert to fraction form
    53,940.10/74,434.27 = 30,065.96/x
  3. Step 3: Cross multiply
    53,940.10x = 74,434.27 × 30,065.96
  4. Step 4: Simplify right side
    53,940.10x = 2,237,937,784.45
  5. Step 5: Solve for x
    x = 2,237,937,784.45/53,940.10
  6. Step 6: Final answer
    x = 41,489.31

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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.