Home / 30,117.16-41,561.19-16,688.37

Finding the Fourth Proportional to 30,117.16, 41,561.19 and 16,688.37

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Solution

The fourth proportional to 30,117.16, 41,561.19 and 16,688.37 is: 23,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.16 : 41,561.19 = 16,688.37 : x
  2. Step 2: Convert to fraction form
    30,117.16/41,561.19 = 16,688.37/x
  3. Step 3: Cross multiply
    30,117.16x = 41,561.19 × 16,688.37
  4. Step 4: Simplify right side
    30,117.16x = 693,588,516.36
  5. Step 5: Solve for x
    x = 693,588,516.36/30,117.16
  6. Step 6: Final answer
    x = 23,029.68

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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.