Home / 31,894.29-47,840.90-11,117.25

Finding the Fourth Proportional to 31,894.29, 47,840.90 and 11,117.25

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Solution

The fourth proportional to 31,894.29, 47,840.90 and 11,117.25 is: 16,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,894.29 : 47,840.90 = 11,117.25 : x
  2. Step 2: Convert to fraction form
    31,894.29/47,840.90 = 11,117.25/x
  3. Step 3: Cross multiply
    31,894.29x = 47,840.90 × 11,117.25
  4. Step 4: Simplify right side
    31,894.29x = 531,859,189.94
  5. Step 5: Solve for x
    x = 531,859,189.94/31,894.29
  6. Step 6: Final answer
    x = 16,675.69

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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.