Home / 43,317.84-64,979.08-13,737.92

Finding the Fourth Proportional to 43,317.84, 64,979.08 and 13,737.92

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Solution

The fourth proportional to 43,317.84, 64,979.08 and 13,737.92 is: 20,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.84 : 64,979.08 = 13,737.92 : x
  2. Step 2: Convert to fraction form
    43,317.84/64,979.08 = 13,737.92/x
  3. Step 3: Cross multiply
    43,317.84x = 64,979.08 × 13,737.92
  4. Step 4: Simplify right side
    43,317.84x = 892,677,402.71
  5. Step 5: Solve for x
    x = 892,677,402.71/43,317.84
  6. Step 6: Final answer
    x = 20,607.62

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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.