Home / 66,519.72-99,830.34-24,439.68

Finding the Fourth Proportional to 66,519.72, 99,830.34 and 24,439.68

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Solution

The fourth proportional to 66,519.72, 99,830.34 and 24,439.68 is: 36,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.72 : 99,830.34 = 24,439.68 : x
  2. Step 2: Convert to fraction form
    66,519.72/99,830.34 = 24,439.68/x
  3. Step 3: Cross multiply
    66,519.72x = 99,830.34 × 24,439.68
  4. Step 4: Simplify right side
    66,519.72x = 2,439,821,563.89
  5. Step 5: Solve for x
    x = 2,439,821,563.89/66,519.72
  6. Step 6: Final answer
    x = 36,678.17

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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.