Home / 54,969.60-75,856.65-30,770.85

Finding the Fourth Proportional to 54,969.60, 75,856.65 and 30,770.85

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Solution

The fourth proportional to 54,969.60, 75,856.65 and 30,770.85 is: 42,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,969.60 : 75,856.65 = 30,770.85 : x
  2. Step 2: Convert to fraction form
    54,969.60/75,856.65 = 30,770.85/x
  3. Step 3: Cross multiply
    54,969.60x = 75,856.65 × 30,770.85
  4. Step 4: Simplify right side
    54,969.60x = 2,334,173,598.65
  5. Step 5: Solve for x
    x = 2,334,173,598.65/54,969.60
  6. Step 6: Final answer
    x = 42,462.99

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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.