Home / 66,363.72-99,548.04-21,994.36

Finding the Fourth Proportional to 66,363.72, 99,548.04 and 21,994.36

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Solution

The fourth proportional to 66,363.72, 99,548.04 and 21,994.36 is: 32,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,363.72 : 99,548.04 = 21,994.36 : x
  2. Step 2: Convert to fraction form
    66,363.72/99,548.04 = 21,994.36/x
  3. Step 3: Cross multiply
    66,363.72x = 99,548.04 × 21,994.36
  4. Step 4: Simplify right side
    66,363.72x = 2,189,495,429.05
  5. Step 5: Solve for x
    x = 2,189,495,429.05/66,363.72
  6. Step 6: Final answer
    x = 32,992.36

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1.5x scale

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.