Home / 48,031.13-72,047.10-16,866.38

Finding the Fourth Proportional to 48,031.13, 72,047.10 and 16,866.38

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Solution

The fourth proportional to 48,031.13, 72,047.10 and 16,866.38 is: 25,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,031.13 : 72,047.10 = 16,866.38 : x
  2. Step 2: Convert to fraction form
    48,031.13/72,047.10 = 16,866.38/x
  3. Step 3: Cross multiply
    48,031.13x = 72,047.10 × 16,866.38
  4. Step 4: Simplify right side
    48,031.13x = 1,215,173,406.26
  5. Step 5: Solve for x
    x = 1,215,173,406.26/48,031.13
  6. Step 6: Final answer
    x = 25,299.71

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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.