Home / 50,685.31-69,943.66-28,022.86

Finding the Fourth Proportional to 50,685.31, 69,943.66 and 28,022.86

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Solution

The fourth proportional to 50,685.31, 69,943.66 and 28,022.86 is: 38,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,685.31 : 69,943.66 = 28,022.86 : x
  2. Step 2: Convert to fraction form
    50,685.31/69,943.66 = 28,022.86/x
  3. Step 3: Cross multiply
    50,685.31x = 69,943.66 × 28,022.86
  4. Step 4: Simplify right side
    50,685.31x = 1,960,021,392.07
  5. Step 5: Solve for x
    x = 1,960,021,392.07/50,685.31
  6. Step 6: Final answer
    x = 38,670.40

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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.