Home / 53,288.97-73,541.16-30,635.30

Finding the Fourth Proportional to 53,288.97, 73,541.16 and 30,635.30

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Solution

The fourth proportional to 53,288.97, 73,541.16 and 30,635.30 is: 42,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,288.97 : 73,541.16 = 30,635.30 : x
  2. Step 2: Convert to fraction form
    53,288.97/73,541.16 = 30,635.30/x
  3. Step 3: Cross multiply
    53,288.97x = 73,541.16 × 30,635.30
  4. Step 4: Simplify right side
    53,288.97x = 2,252,955,131.24
  5. Step 5: Solve for x
    x = 2,252,955,131.24/53,288.97
  6. Step 6: Final answer
    x = 42,278.08

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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.