Home / 50,681.57-69,934.46-28,017.50

Finding the Fourth Proportional to 50,681.57, 69,934.46 and 28,017.50

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Solution

The fourth proportional to 50,681.57, 69,934.46 and 28,017.50 is: 38,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.57 : 69,934.46 = 28,017.50 : x
  2. Step 2: Convert to fraction form
    50,681.57/69,934.46 = 28,017.50/x
  3. Step 3: Cross multiply
    50,681.57x = 69,934.46 × 28,017.50
  4. Step 4: Simplify right side
    50,681.57x = 1,959,388,243.29
  5. Step 5: Solve for x
    x = 1,959,388,243.29/50,681.57
  6. Step 6: Final answer
    x = 38,660.77

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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.