Home / 34,313.97-51,428.57-20,259.75

Finding the Fourth Proportional to 34,313.97, 51,428.57 and 20,259.75

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Solution

The fourth proportional to 34,313.97, 51,428.57 and 20,259.75 is: 30,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.97 : 51,428.57 = 20,259.75 : x
  2. Step 2: Convert to fraction form
    34,313.97/51,428.57 = 20,259.75/x
  3. Step 3: Cross multiply
    34,313.97x = 51,428.57 × 20,259.75
  4. Step 4: Simplify right side
    34,313.97x = 1,041,929,869.76
  5. Step 5: Solve for x
    x = 1,041,929,869.76/34,313.97
  6. Step 6: Final answer
    x = 30,364.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.