Home / 50,639.04-69,880.56-27,979.68

Finding the Fourth Proportional to 50,639.04, 69,880.56 and 27,979.68

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Solution

The fourth proportional to 50,639.04, 69,880.56 and 27,979.68 is: 38,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.04 : 69,880.56 = 27,979.68 : x
  2. Step 2: Convert to fraction form
    50,639.04/69,880.56 = 27,979.68/x
  3. Step 3: Cross multiply
    50,639.04x = 69,880.56 × 27,979.68
  4. Step 4: Simplify right side
    50,639.04x = 1,955,235,707.02
  5. Step 5: Solve for x
    x = 1,955,235,707.02/50,639.04
  6. Step 6: Final answer
    x = 38,611.23

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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.