Home / 30,145.14-41,602.42-16,717.68

Finding the Fourth Proportional to 30,145.14, 41,602.42 and 16,717.68

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Solution

The fourth proportional to 30,145.14, 41,602.42 and 16,717.68 is: 23,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.14 : 41,602.42 = 16,717.68 : x
  2. Step 2: Convert to fraction form
    30,145.14/41,602.42 = 16,717.68/x
  3. Step 3: Cross multiply
    30,145.14x = 41,602.42 × 16,717.68
  4. Step 4: Simplify right side
    30,145.14x = 695,495,944.79
  5. Step 5: Solve for x
    x = 695,495,944.79/30,145.14
  6. Step 6: Final answer
    x = 23,071.58

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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.