Home / 51,151.50-76,727.25-14,215.50

Finding the Fourth Proportional to 51,151.50, 76,727.25 and 14,215.50

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Solution

The fourth proportional to 51,151.50, 76,727.25 and 14,215.50 is: 21,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.50 : 76,727.25 = 14,215.50 : x
  2. Step 2: Convert to fraction form
    51,151.50/76,727.25 = 14,215.50/x
  3. Step 3: Cross multiply
    51,151.50x = 76,727.25 × 14,215.50
  4. Step 4: Simplify right side
    51,151.50x = 1,090,716,222.38
  5. Step 5: Solve for x
    x = 1,090,716,222.38/51,151.50
  6. Step 6: Final answer
    x = 21,323.25

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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.