Home / 51,015.28-70,406.79-30,883.26

Finding the Fourth Proportional to 51,015.28, 70,406.79 and 30,883.26

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Solution

The fourth proportional to 51,015.28, 70,406.79 and 30,883.26 is: 42,622.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.28 : 70,406.79 = 30,883.26 : x
  2. Step 2: Convert to fraction form
    51,015.28/70,406.79 = 30,883.26/x
  3. Step 3: Cross multiply
    51,015.28x = 70,406.79 × 30,883.26
  4. Step 4: Simplify right side
    51,015.28x = 2,174,391,190.63
  5. Step 5: Solve for x
    x = 2,174,391,190.63/51,015.28
  6. Step 6: Final answer
    x = 42,622.35

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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.