Home / 39,545.63-59,319.18-18,479.89

Finding the Fourth Proportional to 39,545.63, 59,319.18 and 18,479.89

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Solution

The fourth proportional to 39,545.63, 59,319.18 and 18,479.89 is: 27,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,545.63 : 59,319.18 = 18,479.89 : x
  2. Step 2: Convert to fraction form
    39,545.63/59,319.18 = 18,479.89/x
  3. Step 3: Cross multiply
    39,545.63x = 59,319.18 × 18,479.89
  4. Step 4: Simplify right side
    39,545.63x = 1,096,211,772.99
  5. Step 5: Solve for x
    x = 1,096,211,772.99/39,545.63
  6. Step 6: Final answer
    x = 27,720.18

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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.