Home / 39,511.72-59,285.76-18,463.08

Finding the Fourth Proportional to 39,511.72, 59,285.76 and 18,463.08

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Solution

The fourth proportional to 39,511.72, 59,285.76 and 18,463.08 is: 27,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.72 : 59,285.76 = 18,463.08 : x
  2. Step 2: Convert to fraction form
    39,511.72/59,285.76 = 18,463.08/x
  3. Step 3: Cross multiply
    39,511.72x = 59,285.76 × 18,463.08
  4. Step 4: Simplify right side
    39,511.72x = 1,094,597,729.74
  5. Step 5: Solve for x
    x = 1,094,597,729.74/39,511.72
  6. Step 6: Final answer
    x = 27,703.12

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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.