Home / 39,651.30-59,477.04-13,374.50

Finding the Fourth Proportional to 39,651.30, 59,477.04 and 13,374.50

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Solution

The fourth proportional to 39,651.30, 59,477.04 and 13,374.50 is: 20,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,651.30 : 59,477.04 = 13,374.50 : x
  2. Step 2: Convert to fraction form
    39,651.30/59,477.04 = 13,374.50/x
  3. Step 3: Cross multiply
    39,651.30x = 59,477.04 × 13,374.50
  4. Step 4: Simplify right side
    39,651.30x = 795,475,671.48
  5. Step 5: Solve for x
    x = 795,475,671.48/39,651.30
  6. Step 6: Final answer
    x = 20,061.78

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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.