Home / 30,146.05-41,601.90-16,717.47

Finding the Fourth Proportional to 30,146.05, 41,601.90 and 16,717.47

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Solution

The fourth proportional to 30,146.05, 41,601.90 and 16,717.47 is: 23,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.05 : 41,601.90 = 16,717.47 : x
  2. Step 2: Convert to fraction form
    30,146.05/41,601.90 = 16,717.47/x
  3. Step 3: Cross multiply
    30,146.05x = 41,601.90 × 16,717.47
  4. Step 4: Simplify right side
    30,146.05x = 695,478,515.19
  5. Step 5: Solve for x
    x = 695,478,515.19/30,146.05
  6. Step 6: Final answer
    x = 23,070.30

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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.