Home / 30,508.36-45,763.82-10,787.08

Finding the Fourth Proportional to 30,508.36, 45,763.82 and 10,787.08

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Solution

The fourth proportional to 30,508.36, 45,763.82 and 10,787.08 is: 16,181.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.36 : 45,763.82 = 10,787.08 : x
  2. Step 2: Convert to fraction form
    30,508.36/45,763.82 = 10,787.08/x
  3. Step 3: Cross multiply
    30,508.36x = 45,763.82 × 10,787.08
  4. Step 4: Simplify right side
    30,508.36x = 493,657,987.45
  5. Step 5: Solve for x
    x = 493,657,987.45/30,508.36
  6. Step 6: Final answer
    x = 16,181.07

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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.