Home / 31,558.08-47,341.32-9,371.72

Finding the Fourth Proportional to 31,558.08, 47,341.32 and 9,371.72

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Solution

The fourth proportional to 31,558.08, 47,341.32 and 9,371.72 is: 14,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558.08 : 47,341.32 = 9,371.72 : x
  2. Step 2: Convert to fraction form
    31,558.08/47,341.32 = 9,371.72/x
  3. Step 3: Cross multiply
    31,558.08x = 47,341.32 × 9,371.72
  4. Step 4: Simplify right side
    31,558.08x = 443,669,595.47
  5. Step 5: Solve for x
    x = 443,669,595.47/31,558.08
  6. Step 6: Final answer
    x = 14,058.83

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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.