Home / 50,021.34-69,019.87-28,510.66

Finding the Fourth Proportional to 50,021.34, 69,019.87 and 28,510.66

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Solution

The fourth proportional to 50,021.34, 69,019.87 and 28,510.66 is: 39,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.34 : 69,019.87 = 28,510.66 : x
  2. Step 2: Convert to fraction form
    50,021.34/69,019.87 = 28,510.66/x
  3. Step 3: Cross multiply
    50,021.34x = 69,019.87 × 28,510.66
  4. Step 4: Simplify right side
    50,021.34x = 1,967,802,046.81
  5. Step 5: Solve for x
    x = 1,967,802,046.81/50,021.34
  6. Step 6: Final answer
    x = 39,339.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.