Home / 31,578.16-47,368.26-16,581.48

Finding the Fourth Proportional to 31,578.16, 47,368.26 and 16,581.48

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Solution

The fourth proportional to 31,578.16, 47,368.26 and 16,581.48 is: 24,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.16 : 47,368.26 = 16,581.48 : x
  2. Step 2: Convert to fraction form
    31,578.16/47,368.26 = 16,581.48/x
  3. Step 3: Cross multiply
    31,578.16x = 47,368.26 × 16,581.48
  4. Step 4: Simplify right side
    31,578.16x = 785,435,855.82
  5. Step 5: Solve for x
    x = 785,435,855.82/31,578.16
  6. Step 6: Final answer
    x = 24,872.76

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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.