Home / 30,345.68-41,874.90-16,916.34

Finding the Fourth Proportional to 30,345.68, 41,874.90 and 16,916.34

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Solution

The fourth proportional to 30,345.68, 41,874.90 and 16,916.34 is: 23,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.68 : 41,874.90 = 16,916.34 : x
  2. Step 2: Convert to fraction form
    30,345.68/41,874.90 = 16,916.34/x
  3. Step 3: Cross multiply
    30,345.68x = 41,874.90 × 16,916.34
  4. Step 4: Simplify right side
    30,345.68x = 708,370,045.87
  5. Step 5: Solve for x
    x = 708,370,045.87/30,345.68
  6. Step 6: Final answer
    x = 23,343.36

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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.