Home / 51,259.75-76,902.60-14,323.75

Finding the Fourth Proportional to 51,259.75, 76,902.60 and 14,323.75

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Solution

The fourth proportional to 51,259.75, 76,902.60 and 14,323.75 is: 21,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,259.75 : 76,902.60 = 14,323.75 : x
  2. Step 2: Convert to fraction form
    51,259.75/76,902.60 = 14,323.75/x
  3. Step 3: Cross multiply
    51,259.75x = 76,902.60 × 14,323.75
  4. Step 4: Simplify right side
    51,259.75x = 1,101,533,616.75
  5. Step 5: Solve for x
    x = 1,101,533,616.75/51,259.75
  6. Step 6: Final answer
    x = 21,489.25

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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.