Home / 50,639.13-69,878.41-27,977.88

Finding the Fourth Proportional to 50,639.13, 69,878.41 and 27,977.88

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Solution

The fourth proportional to 50,639.13, 69,878.41 and 27,977.88 is: 38,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.13 : 69,878.41 = 27,977.88 : x
  2. Step 2: Convert to fraction form
    50,639.13/69,878.41 = 27,977.88/x
  3. Step 3: Cross multiply
    50,639.13x = 69,878.41 × 27,977.88
  4. Step 4: Simplify right side
    50,639.13x = 1,955,049,804.48
  5. Step 5: Solve for x
    x = 1,955,049,804.48/50,639.13
  6. Step 6: Final answer
    x = 38,607.49

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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.