Home / 53,515.12-73,844.50-30,861.52

Finding the Fourth Proportional to 53,515.12, 73,844.50 and 30,861.52

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Solution

The fourth proportional to 53,515.12, 73,844.50 and 30,861.52 is: 42,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,515.12 : 73,844.50 = 30,861.52 : x
  2. Step 2: Convert to fraction form
    53,515.12/73,844.50 = 30,861.52/x
  3. Step 3: Cross multiply
    53,515.12x = 73,844.50 × 30,861.52
  4. Step 4: Simplify right side
    53,515.12x = 2,278,953,513.64
  5. Step 5: Solve for x
    x = 2,278,953,513.64/53,515.12
  6. Step 6: Final answer
    x = 42,585.23

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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.