Home / 53,091.20-73,264.59-30,443.47

Finding the Fourth Proportional to 53,091.20, 73,264.59 and 30,443.47

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Solution

The fourth proportional to 53,091.20, 73,264.59 and 30,443.47 is: 42,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.20 : 73,264.59 = 30,443.47 : x
  2. Step 2: Convert to fraction form
    53,091.20/73,264.59 = 30,443.47/x
  3. Step 3: Cross multiply
    53,091.20x = 73,264.59 × 30,443.47
  4. Step 4: Simplify right side
    53,091.20x = 2,230,428,164.57
  5. Step 5: Solve for x
    x = 2,230,428,164.57/53,091.20
  6. Step 6: Final answer
    x = 42,011.26

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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.