Home / 57,979.80-86,964.84-18,526.32

Finding the Fourth Proportional to 57,979.80, 86,964.84 and 18,526.32

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Solution

The fourth proportional to 57,979.80, 86,964.84 and 18,526.32 is: 27,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.80 : 86,964.84 = 18,526.32 : x
  2. Step 2: Convert to fraction form
    57,979.80/86,964.84 = 18,526.32/x
  3. Step 3: Cross multiply
    57,979.80x = 86,964.84 × 18,526.32
  4. Step 4: Simplify right side
    57,979.80x = 1,611,138,454.59
  5. Step 5: Solve for x
    x = 1,611,138,454.59/57,979.80
  6. Step 6: Final answer
    x = 27,787.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.