Home / 31,207.86-46,830.29-11,500.25

Finding the Fourth Proportional to 31,207.86, 46,830.29 and 11,500.25

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Solution

The fourth proportional to 31,207.86, 46,830.29 and 11,500.25 is: 17,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.86 : 46,830.29 = 11,500.25 : x
  2. Step 2: Convert to fraction form
    31,207.86/46,830.29 = 11,500.25/x
  3. Step 3: Cross multiply
    31,207.86x = 46,830.29 × 11,500.25
  4. Step 4: Simplify right side
    31,207.86x = 538,559,750.92
  5. Step 5: Solve for x
    x = 538,559,750.92/31,207.86
  6. Step 6: Final answer
    x = 17,257.18

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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.