Home / 31,124.09-46,679.02-8,937.29

Finding the Fourth Proportional to 31,124.09, 46,679.02 and 8,937.29

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Solution

The fourth proportional to 31,124.09, 46,679.02 and 8,937.29 is: 13,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,124.09 : 46,679.02 = 8,937.29 : x
  2. Step 2: Convert to fraction form
    31,124.09/46,679.02 = 8,937.29/x
  3. Step 3: Cross multiply
    31,124.09x = 46,679.02 × 8,937.29
  4. Step 4: Simplify right side
    31,124.09x = 417,183,682.92
  5. Step 5: Solve for x
    x = 417,183,682.92/31,124.09
  6. Step 6: Final answer
    x = 13,403.89

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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.