Home / 45,113.13-62,284.38-28,986.96

Finding the Fourth Proportional to 45,113.13, 62,284.38 and 28,986.96

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Solution

The fourth proportional to 45,113.13, 62,284.38 and 28,986.96 is: 40,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.13 : 62,284.38 = 28,986.96 : x
  2. Step 2: Convert to fraction form
    45,113.13/62,284.38 = 28,986.96/x
  3. Step 3: Cross multiply
    45,113.13x = 62,284.38 × 28,986.96
  4. Step 4: Simplify right side
    45,113.13x = 1,805,434,831.68
  5. Step 5: Solve for x
    x = 1,805,434,831.68/45,113.13
  6. Step 6: Final answer
    x = 40,020.16

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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.