Home / 30,345.38-41,876.64-16,916.35

Finding the Fourth Proportional to 30,345.38, 41,876.64 and 16,916.35

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Solution

The fourth proportional to 30,345.38, 41,876.64 and 16,916.35 is: 23,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.38 : 41,876.64 = 16,916.35 : x
  2. Step 2: Convert to fraction form
    30,345.38/41,876.64 = 16,916.35/x
  3. Step 3: Cross multiply
    30,345.38x = 41,876.64 × 16,916.35
  4. Step 4: Simplify right side
    30,345.38x = 708,399,899.06
  5. Step 5: Solve for x
    x = 708,399,899.06/30,345.38
  6. Step 6: Final answer
    x = 23,344.57

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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.