Home / 51,727.36-77,589.50-14,289.68

Finding the Fourth Proportional to 51,727.36, 77,589.50 and 14,289.68

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Solution

The fourth proportional to 51,727.36, 77,589.50 and 14,289.68 is: 21,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,727.36 : 77,589.50 = 14,289.68 : x
  2. Step 2: Convert to fraction form
    51,727.36/77,589.50 = 14,289.68/x
  3. Step 3: Cross multiply
    51,727.36x = 77,589.50 × 14,289.68
  4. Step 4: Simplify right side
    51,727.36x = 1,108,729,054.91
  5. Step 5: Solve for x
    x = 1,108,729,054.91/51,727.36
  6. Step 6: Final answer
    x = 21,434.10

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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.