Home / 31,092.30-46,638.45-7,718.74

Finding the Fourth Proportional to 31,092.30, 46,638.45 and 7,718.74

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Solution

The fourth proportional to 31,092.30, 46,638.45 and 7,718.74 is: 11,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,092.30 : 46,638.45 = 7,718.74 : x
  2. Step 2: Convert to fraction form
    31,092.30/46,638.45 = 7,718.74/x
  3. Step 3: Cross multiply
    31,092.30x = 46,638.45 × 7,718.74
  4. Step 4: Simplify right side
    31,092.30x = 359,989,952.96
  5. Step 5: Solve for x
    x = 359,989,952.96/31,092.30
  6. Step 6: Final answer
    x = 11,578.11

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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.