Home / 50,639.55-69,886.67-27,980.52

Finding the Fourth Proportional to 50,639.55, 69,886.67 and 27,980.52

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Solution

The fourth proportional to 50,639.55, 69,886.67 and 27,980.52 is: 38,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.55 : 69,886.67 = 27,980.52 : x
  2. Step 2: Convert to fraction form
    50,639.55/69,886.67 = 27,980.52/x
  3. Step 3: Cross multiply
    50,639.55x = 69,886.67 × 27,980.52
  4. Step 4: Simplify right side
    50,639.55x = 1,955,465,358.80
  5. Step 5: Solve for x
    x = 1,955,465,358.80/50,639.55
  6. Step 6: Final answer
    x = 38,615.38

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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.