Home / 53,106.29-73,278.10-30,441.11

Finding the Fourth Proportional to 53,106.29, 73,278.10 and 30,441.11

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Solution

The fourth proportional to 53,106.29, 73,278.10 and 30,441.11 is: 42,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.29 : 73,278.10 = 30,441.11 : x
  2. Step 2: Convert to fraction form
    53,106.29/73,278.10 = 30,441.11/x
  3. Step 3: Cross multiply
    53,106.29x = 73,278.10 × 30,441.11
  4. Step 4: Simplify right side
    53,106.29x = 2,230,666,260.20
  5. Step 5: Solve for x
    x = 2,230,666,260.20/53,106.29
  6. Step 6: Final answer
    x = 42,003.81

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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.