Home / 51,989.57-71,745.29-28,116.19

Finding the Fourth Proportional to 51,989.57, 71,745.29 and 28,116.19

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Solution

The fourth proportional to 51,989.57, 71,745.29 and 28,116.19 is: 38,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.57 : 71,745.29 = 28,116.19 : x
  2. Step 2: Convert to fraction form
    51,989.57/71,745.29 = 28,116.19/x
  3. Step 3: Cross multiply
    51,989.57x = 71,745.29 × 28,116.19
  4. Step 4: Simplify right side
    51,989.57x = 2,017,204,216.15
  5. Step 5: Solve for x
    x = 2,017,204,216.15/51,989.57
  6. Step 6: Final answer
    x = 38,800.17

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1.5x scale

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.