Home / 30,146.16-41,601.82-16,718.66

Finding the Fourth Proportional to 30,146.16, 41,601.82 and 16,718.66

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Solution

The fourth proportional to 30,146.16, 41,601.82 and 16,718.66 is: 23,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.16 : 41,601.82 = 16,718.66 : x
  2. Step 2: Convert to fraction form
    30,146.16/41,601.82 = 16,718.66/x
  3. Step 3: Cross multiply
    30,146.16x = 41,601.82 × 16,718.66
  4. Step 4: Simplify right side
    30,146.16x = 695,526,683.96
  5. Step 5: Solve for x
    x = 695,526,683.96/30,146.16
  6. Step 6: Final answer
    x = 23,071.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.