Home / 50,681.64-69,939.56-28,021.58

Finding the Fourth Proportional to 50,681.64, 69,939.56 and 28,021.58

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Solution

The fourth proportional to 50,681.64, 69,939.56 and 28,021.58 is: 38,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.64 : 69,939.56 = 28,021.58 : x
  2. Step 2: Convert to fraction form
    50,681.64/69,939.56 = 28,021.58/x
  3. Step 3: Cross multiply
    50,681.64x = 69,939.56 × 28,021.58
  4. Step 4: Simplify right side
    50,681.64x = 1,959,816,975.70
  5. Step 5: Solve for x
    x = 1,959,816,975.70/50,681.64
  6. Step 6: Final answer
    x = 38,669.17

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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.