Home / 30,145.67-41,601.13-16,718.16

Finding the Fourth Proportional to 30,145.67, 41,601.13 and 16,718.16

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Solution

The fourth proportional to 30,145.67, 41,601.13 and 16,718.16 is: 23,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.67 : 41,601.13 = 16,718.16 : x
  2. Step 2: Convert to fraction form
    30,145.67/41,601.13 = 16,718.16/x
  3. Step 3: Cross multiply
    30,145.67x = 41,601.13 × 16,718.16
  4. Step 4: Simplify right side
    30,145.67x = 695,494,263.93
  5. Step 5: Solve for x
    x = 695,494,263.93/30,145.67
  6. Step 6: Final answer
    x = 23,071.12

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Double scale
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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.