Home / 51,459.39-77,178.29-14,514.75

Finding the Fourth Proportional to 51,459.39, 77,178.29 and 14,514.75

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Solution

The fourth proportional to 51,459.39, 77,178.29 and 14,514.75 is: 21,769.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.39 : 77,178.29 = 14,514.75 : x
  2. Step 2: Convert to fraction form
    51,459.39/77,178.29 = 14,514.75/x
  3. Step 3: Cross multiply
    51,459.39x = 77,178.29 × 14,514.75
  4. Step 4: Simplify right side
    51,459.39x = 1,120,223,512.20
  5. Step 5: Solve for x
    x = 1,120,223,512.20/51,459.39
  6. Step 6: Final answer
    x = 21,769.08

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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.