Home / 54,765.76-75,572.20-30,898.28

Finding the Fourth Proportional to 54,765.76, 75,572.20 and 30,898.28

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Solution

The fourth proportional to 54,765.76, 75,572.20 and 30,898.28 is: 42,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.76 : 75,572.20 = 30,898.28 : x
  2. Step 2: Convert to fraction form
    54,765.76/75,572.20 = 30,898.28/x
  3. Step 3: Cross multiply
    54,765.76x = 75,572.20 × 30,898.28
  4. Step 4: Simplify right side
    54,765.76x = 2,335,050,995.82
  5. Step 5: Solve for x
    x = 2,335,050,995.82/54,765.76
  6. Step 6: Final answer
    x = 42,637.06

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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.