Home / 51,453.24-77,178.96-14,012.70

Finding the Fourth Proportional to 51,453.24, 77,178.96 and 14,012.70

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Solution

The fourth proportional to 51,453.24, 77,178.96 and 14,012.70 is: 21,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,453.24 : 77,178.96 = 14,012.70 : x
  2. Step 2: Convert to fraction form
    51,453.24/77,178.96 = 14,012.70/x
  3. Step 3: Cross multiply
    51,453.24x = 77,178.96 × 14,012.70
  4. Step 4: Simplify right side
    51,453.24x = 1,081,485,612.79
  5. Step 5: Solve for x
    x = 1,081,485,612.79/51,453.24
  6. Step 6: Final answer
    x = 21,018.80

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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.