Home / 31,317.99-46,979.21-12,598.13

Finding the Fourth Proportional to 31,317.99, 46,979.21 and 12,598.13

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Solution

The fourth proportional to 31,317.99, 46,979.21 and 12,598.13 is: 18,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317.99 : 46,979.21 = 12,598.13 : x
  2. Step 2: Convert to fraction form
    31,317.99/46,979.21 = 12,598.13/x
  3. Step 3: Cross multiply
    31,317.99x = 46,979.21 × 12,598.13
  4. Step 4: Simplify right side
    31,317.99x = 591,850,194.88
  5. Step 5: Solve for x
    x = 591,850,194.88/31,317.99
  6. Step 6: Final answer
    x = 18,898.09

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1.5x scale

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.