Home / 51,426.75-77,110.97-21,406.35

Finding the Fourth Proportional to 51,426.75, 77,110.97 and 21,406.35

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Solution

The fourth proportional to 51,426.75, 77,110.97 and 21,406.35 is: 32,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.75 : 77,110.97 = 21,406.35 : x
  2. Step 2: Convert to fraction form
    51,426.75/77,110.97 = 21,406.35/x
  3. Step 3: Cross multiply
    51,426.75x = 77,110.97 × 21,406.35
  4. Step 4: Simplify right side
    51,426.75x = 1,650,664,305.63
  5. Step 5: Solve for x
    x = 1,650,664,305.63/51,426.75
  6. Step 6: Final answer
    x = 32,097.39

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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.