Home / 52,787.64-79,184.18-13,345.09

Finding the Fourth Proportional to 52,787.64, 79,184.18 and 13,345.09

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Solution

The fourth proportional to 52,787.64, 79,184.18 and 13,345.09 is: 20,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.64 : 79,184.18 = 13,345.09 : x
  2. Step 2: Convert to fraction form
    52,787.64/79,184.18 = 13,345.09/x
  3. Step 3: Cross multiply
    52,787.64x = 79,184.18 × 13,345.09
  4. Step 4: Simplify right side
    52,787.64x = 1,056,720,008.68
  5. Step 5: Solve for x
    x = 1,056,720,008.68/52,787.64
  6. Step 6: Final answer
    x = 20,018.32

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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.