Home / 51,268.34-70,755.18-31,120.59

Finding the Fourth Proportional to 51,268.34, 70,755.18 and 31,120.59

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Solution

The fourth proportional to 51,268.34, 70,755.18 and 31,120.59 is: 42,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.34 : 70,755.18 = 31,120.59 : x
  2. Step 2: Convert to fraction form
    51,268.34/70,755.18 = 31,120.59/x
  3. Step 3: Cross multiply
    51,268.34x = 70,755.18 × 31,120.59
  4. Step 4: Simplify right side
    51,268.34x = 2,201,942,947.16
  5. Step 5: Solve for x
    x = 2,201,942,947.16/51,268.34
  6. Step 6: Final answer
    x = 42,949.38

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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.