Home / 42,845.21-64,184.12-29,515.85

Finding the Fourth Proportional to 42,845.21, 64,184.12 and 29,515.85

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Solution

The fourth proportional to 42,845.21, 64,184.12 and 29,515.85 is: 44,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,845.21 : 64,184.12 = 29,515.85 : x
  2. Step 2: Convert to fraction form
    42,845.21/64,184.12 = 29,515.85/x
  3. Step 3: Cross multiply
    42,845.21x = 64,184.12 × 29,515.85
  4. Step 4: Simplify right side
    42,845.21x = 1,894,448,710.72
  5. Step 5: Solve for x
    x = 1,894,448,710.72/42,845.21
  6. Step 6: Final answer
    x = 44,216.11

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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.