Home / 50,713.28-69,984.48-28,357.28

Finding the Fourth Proportional to 50,713.28, 69,984.48 and 28,357.28

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Solution

The fourth proportional to 50,713.28, 69,984.48 and 28,357.28 is: 39,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,713.28 : 69,984.48 = 28,357.28 : x
  2. Step 2: Convert to fraction form
    50,713.28/69,984.48 = 28,357.28/x
  3. Step 3: Cross multiply
    50,713.28x = 69,984.48 × 28,357.28
  4. Step 4: Simplify right side
    50,713.28x = 1,984,569,495.01
  5. Step 5: Solve for x
    x = 1,984,569,495.01/50,713.28
  6. Step 6: Final answer
    x = 39,133.13

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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.