Home / 31,285.23-46,927.85-7,911.66

Finding the Fourth Proportional to 31,285.23, 46,927.85 and 7,911.66

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Solution

The fourth proportional to 31,285.23, 46,927.85 and 7,911.66 is: 11,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.23 : 46,927.85 = 7,911.66 : x
  2. Step 2: Convert to fraction form
    31,285.23/46,927.85 = 7,911.66/x
  3. Step 3: Cross multiply
    31,285.23x = 46,927.85 × 7,911.66
  4. Step 4: Simplify right side
    31,285.23x = 371,277,154.17
  5. Step 5: Solve for x
    x = 371,277,154.17/31,285.23
  6. Step 6: Final answer
    x = 11,867.49

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Similar ratio
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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.