Home / 55,284.28-76,294.08-31,409.52

Finding the Fourth Proportional to 55,284.28, 76,294.08 and 31,409.52

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Solution

The fourth proportional to 55,284.28, 76,294.08 and 31,409.52 is: 43,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284.28 : 76,294.08 = 31,409.52 : x
  2. Step 2: Convert to fraction form
    55,284.28/76,294.08 = 31,409.52/x
  3. Step 3: Cross multiply
    55,284.28x = 76,294.08 × 31,409.52
  4. Step 4: Simplify right side
    55,284.28x = 2,396,360,431.64
  5. Step 5: Solve for x
    x = 2,396,360,431.64/55,284.28
  6. Step 6: Final answer
    x = 43,346.15

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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.